It's the main factor in terms of ranking, though other things to look for are also the relevance of the page that the link is on which is also very important, the PR of the page and the number of other links on the page.
That's the major thing that matters and the trick is making your content worth linking too. If you can do that, the links with proper anchor text will come naturally.
While spam is "IN" right now, please for the sake of the Internet's relevant keyphrases and your business, cut down on the repetitiveness of your title tag for instance, clean the site structure up, it was way too busy to make out what your site was about. I'm not trying to come off rude - but get some professional help, whether through myself [www.interceptdesigns.net and www.thelouisvilleseo.com] or another knowledgeable person here on DigitalPoint. I can give free "ideas" but will not give my knowledge away for free.
Anchor text tells the SE's what your site is all about specially if you get links from relevant sites they will help you get better SE rankings. Erie Pa
The most important thing is the trustrank of the domain that the link is on. The anchor text, surrounding text, page subject matter, site subject matter, link age, position of the link as well as the destinations and trustrank of any other links on the page are the other major factors.