+1 on INFI steel, definably if your going to spend the money get a Buse knife.

http://bussecombat.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=BCKC&Category_Code=KNF


And if have questions on the superiority of these knives, check out this: (Alot of people hate the site but it's entertainment)
If you hate this site or object to it, then don't click below:
http://www.knifetests.com/BussefFFBMtestpage.html