You can check out the review of the Buffalo Bore 340 gr 44 mag on Midway being shot from an Alaskan 44 Mag. one of the guys chronoed it at 1260 fps on average out of the 2.5" barrel, not bad at all.
http://www.midwayusa.com/product/513...-header-513011
I would like one in the 44 mag as well, would go well with my SRH 44 mag 9.5" barrel that I use for Deer hunting.