Here are the options I found for new motherboards compatible with your processor - a few available
this link
http://pcpartpicker.com/p/5dt privided me the options, select motherboard at the top (with compatability filter on) and these are the results
by price
Intel DX58OG ATX $134
MSI X58M micro-ATX $156
MSI X58A-GD45 ATX $198
EVGA 132-GT-E768-TR ATX $201
Asus P6X58-E PRO ATX $236
Asus P6X58-E WS ATX $241
Intel DX58SO ATX $251
MSI Big Bang XPOWER ATX $281
Asus Rampage III Formula ATX $294
Asus Rampage II Extreme ATX $432
EVGA 270-WS-W555-A2 HPTX $476
Asus Rampage III Black Edition EATX $571
The last two are huge motherboards, pricy too - hope it helps. Whichever one best fits your price range, look it up, see if it has the features you're looking for. I found no others new