No, but have had experience with 7.62 AK, and variants, some rebuilt/upgraded.
Why do you want an AK in 5.45?
And BTW, if you do go for the Centerfire AK74, watch out for shoddy tack welds on the muzzle brake etc...
Well for one I figur the wife could handle the 5.45 better than the 7.62 and the price:
http://www.centerfiresystems.com/akagun-bul-2.aspx
Right now I am trying to choose between the one above and this one:
ROMANIAN BPS AK SHOOTERS PACKAGE over at: