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I like to test new title tags all the time. Matt had a great answer being specific helps. I usually try title tag tests on some lower pages as a safe bet. When you can narrow down the search you generally rank better. For example I sell products that are cooking related so in the title tag I include a popular use term in the tag. Avocados are used in guacamole so I put it in the tag soon I was ranking 2-3 for months. When I took it out the rank slipped to six. Hope I helped and good luck

Odesk, and freelance.com are pretty good to try them before you buy them. With so many people claiming to be good SEO's, may be great at a resume or an interview but cannot fulfill your demands. Quora is a place to post this question as well

http://www.bigcommerce.com/  does most of your wishlist

Very affordable and an open API for apps.

I would 301 the ones from links high ranking domains. We had some links that had a session variable that needed redirected. If you do not want to redirect a lot of links you can always do something clever with your 404 page. If the 404 has call to action on it you should be fine.

Are you and E commerce site?

Are the problems fixed in the new site?

Personally I would put a lot of effort into fixing what maybe wrong with your old site. This will help you in the transition so you can launch with a good presence. Can you clarify what you think is wrong with your site it maybe be helpful for other people to help answer this question.

I use Google custom search to filter out a lot of things I do not need or want. You can put as many urls in that you want . Very useful in looking at your competitions SERPS.

I hope that a mobile site for SEOMoz is in the works.

I wouldn't consider myself a guru but here is my two cents

Plastic Manufacturing Show pictures of people using the products (toys, show kids playing)

Industrial Laundry: Nice scenic hospital picture and hotels that use the service or if it is uniforms show workers in hard working conditions

Tractor Trailer Wholesale: !8 wheelers rolling down the highway with interesting statistics on the trucking industry

Copper Mining Equipment: Show the mining equipment and some of the specifications on mining.

And promise yourself never to go for the quick and easy again.

Are you trying to see the way the SERP appears or just the rank of some keywords? If it is just keywords I would recommend rank checker on Fire fox. It also allows you to export to a CSV so you can monitor your progress. If it is how the your product looks in a SERP you can use Google Custom Search to see exactly how it looks on Google.

Intuit probably doesn't allow access to the htaccess. If you move your site to one that allows it you can then redirect them. I am not familiar with intuit but I worry that you are a subdomain of the intuit webstores. Storesonline uses this type of technique ( I am pretty sure) so no one every leaves in fear of losing rank and authority. If this is the case you may have some ruff waters ahead if you decide to leave. My personal not professional opinion is you will be better off if you move to another host and then within that host switching domain names. Check your site in semrush and see how many keywords you rank for and if it is far less than you thought this maybe the case. The site you built maybe good enough to climb the ranks quickly.

Can you have them switch the email in which the account is attached? Example would be have them create a email for you like marketing@example.com?

I have not seen much of a change. Actually if I have to say anything it would be things have improved. Not, working for an agency helps me because I only answer to one person. Reading about people getting hit hard I am curious if their clients have been blowing up their emails and phone asking about the condition of the site. Over optimized sites I guess were hit the hardest. My marketing department started having me get more content on the site prior to the updates. So maybe that had some affect on whether we got hit.

I am not a 100% sure on this but here goes. I assume you created these campaigns on different days. You may try stopping and starting all your campaigns on a given day to reset the weekly ranking

If you are a paying subscriber to Semrush? If you are Semrush has a backlink checker. But I would use Google custom queries to view your SERPs without scrolling through all the pages.

I did load a little slow.  I like the site. I would recommend using  www.ranks.nl  it is an easy way to find some quick fixes on your site.

I posted your last comment in another forum so maybe you can get some insight into this situation. I can share the forum with you if you want to follow it. As a person that has worried about 301s in the past I hope I can help someone else

Neil has a good point. Also work with a GOOD webmaster if you are not totally comfortable changing domain servers. I had a mess last year when my less than qualified IT department didn't pay attention to 301s. Good luck! Google webmastertools has some helpful advice for this.