I am looking at the Benchmade Griptilian 551, color black with thumb stud and combo edge. It appears as though D2 is the best steel to get this knife in. Am I correct? The Benchmade site mentions that they no longer use BT2 as a finish and have gone to BK1 which is supposively better than BT2. So where can I find this Benchmade with D2 and BK1 as a finish? Cabellas has one in D2 steel, but with the BT2 finish. The Benchmade site sells the Griptilian with 440C steel and a BK1 finish. Or does any of this really matter this much and I should just go with what I can find for the cheapest as I am somewhat of a noobie to the knife world. Thanks much!