PCI-E 2 x 16x vs PCI-E 1 x 16x is the big one.
At the price of these boards, they better be decked out. Otherwise your better off going a cheaper board with near same overclock ability.
The UT was out b4 the LT. The LT kicks butt from what ive been investigating. Enough to make me want to buy one. the first one is a LP LT while the other is a UT.
The LT is a new revsion that has 2 x 16x and 1 x 4x or 1 1x
The UT i believe only has 1x16x and the other 2 can both do 4x or 1x
Yeah its kinda confusing.. but the board you want is the one from motherboardpro
The LT one is the one, as someone said earlier, without the Transpiper. IMHO, the Transpiper is a HUGE waste of money. The stock one with the P35 UT sucks. Without airflow over it, and without an option to safely secure a fan to it either, the Chipset runs 40c and the PWM runs around 40c, IDLE AND STOCK.
The LT mentioned above is also the X38 Chipset bringing with it X16 + X16 + X4 (electrical only, X16 Physical slot) PCIe slots.
Hope this helps. BTW the LT is NOT available here in Australia, AT ALL.

:frown:.