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Obviously it really depends on what you really want from that forum... but in a normal state it is always good to go for sub directories instead of subdomain... Matt Cutts of Google also did a post on his blog regarding this you can read it here http://www.mattcutts.com/blog/subdomains-and-subdirectories/ and i guess this will help you more... Hope this helps!

The homepage is only PR1 - I wouldn't worry about anything, just mass 301 the old domain to the new TLD and you're fine. Changing domains on well established sites is more risky but my guess is that this site is not ranking well yet anyway since some internal pages don't even have established content.

Well I haven't had an issue with duplicate page titles and if you include your brand name in the format I mention and the rest is unique then there won't be an issue with Google and duplicate titles, in my opinion. Also if you are still unsure start looking at major well ranked sites and how they have most pages branded without this problem. Take SEOMoz's titles for instance, they use this format effectively without issue...

Hello, Do you have another page that you created instead of this one: http://www.thexxxhouse.com/what_sets_us_aparat.html If so then you need to redirect it to the new page. Also I just tried going to your homepage http://www.thexxxhouse.com and its showing a 404 page as well. Are you using a CMS? It might be that somehow you or someone else removed all of your content. Please send more details on what happened prior to this...

Check out this post there is a lot of great resources http://www.seomoz.org/q/local-seo-3

Hi Chandana, This article explains it all: http://kb.mediatemple.net/questions/242/How+do+I+redirect+my+site+using+a+.htaccess+file%3F. It shows how to create and name the file and what code to use. You would want to do this: Redirect /index.html http://example.com/ I would also recommend redirecting non-www to www (or vice versa) if you haven't done so already - http://dense13.com/blog/2008/02/27/redirecting-non-www-to-www-with-htaccess/. If you get stuck there's also a free htaccess generator located here: http://www.htaccessredirect.net/index.php Let me know if you have any problems!

Is that something you would feel comfortable explaining to a Google engineer? Also, if search engines did not exist, would you still want to do it? The search engines want to see content created for users, not for trying to get rankings. Spinning articles doesn't do anyone any good, and they can make the brand look very silly.

Yes with WP is is super easy and effective but my site is custom made site.

If you use Apache, reference the SEOmoz article cited above. If you use Nginx, reference this article. Another "fix" is to use a canonical tag to suggest to search engines which version to index. SEOmoz will still detect a problem, but you'll be fine from a search engine perspective.