Hi
I am a avid buyer of themes
and i have brought a single mythemeshop theme that being sociallyviral --- my site www.twifie.com
the support is good you can expect a reply in 24 hours max
these guys come up with great looking themes
But most importantly you will hardly find bugs
Trust me you will be satisfied.both with the theme and the support
not to forget the great deals these guys send every few months if you dont want to pay a lot of a theme
cheers