Is it sad that I can immediately tell that it's from subtlepatterns?
Personally I like it, but IMO the fabric effect is on the way out. Trends are moving towards clean, flat, simplicity and the fabric just brings back thoughts of iOS6 and skudomorphism - which isn't necessarily a bad thing, but certainly a consideration.
I quickly used the subtlepatterns.com bookmarklet (http://bradjasper.com/subtle-patterns-bookmarklet/) to try out a few backgrounds - give it a shot its very helpful. One that stood out as looking really nice on your site was 'PS Neutral'. 'Grid noise' also looks pretty nice.