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If you are willing to pay, go with vBulletin. phpBB would be the best free alternative (there are plenty of mods/plugins that can make the site very SEO friendly)

Hi, Hyphenated domains tend to look more spammy, and consequently receive lower CTR's from the search results. A lot of it is down to perseption of trust. The 2011 SeoMoz ranking factors show a negative correlation between hyphenated domains and rank performance, and although it's hard to say if this is causation, it certainly suggests that if you have the choice between the two then it would be a smarter marketing move to go without the hyphens. Thanks, David

If you're trying to target other countries with a website that already exists in a different country you'll find it difficult. At the moment it's only really possible to optimise a website fully for one particular country. Here are some general best practices I'm aware of: Host the site in the country you're targeting, with a country-specific domain extension. Set geotargeting in Google Webmaster Tools. Obtain links from the country/ies you're targeting. Use the local language...will the site be in English, Arabic and/or some other languages? If it's a foreign language or even English, it's important to have someone fluent with the local language writing the content, preferably someone aware of cultural differences that may exist if the content is translated.