Intel Core i7 920 D0 stepping, good 'batch' currently ?

i am on a look out for a i7 920 D0 stepping processor…

is there any kind of any batch no/code which is considered good etc,?

if yes,pl. let me know,
for which batch code i should go for,??

motherboard=gigabyte x58 UD5.

***u Get in Prime 3844 AND 3845 batch code ones D0 Stepping .Easily O.C TO 4.2
Bought 2 of them from Prime. Today

They can take a lot more stress than C0 stepping and overclock significantly higher than C0. Must buy for a Core i7 pc.

how do u get it checked …i mean ask them for this batch number ??

m planning to buy1 in this week