Ok so I think I've been convinced to go 10/48/3 for raiding, but pre-raid for Outland post 70 instances, is frost viable?
Seems like the main problem of frost is that the shatter talent is useless against bosses in raids and fire has burst damage with Blast Wave and Dragon's Breath. Yet in my instance runs (Bot, Mech, etc.) it seems that the trash mobs are what's giving my group the most trouble. Ran Mech and Bot last night and downed every boss in both without a wipe except the Warp Splinter, which we downed on 2nd try. Even when our hunter immediately died against the Nethermancer or whatever, we still eventually wore her down (so essentially 4-manned it). But trash mobs killed us a few times and there it seemed like frost burst damage (bolt and lance on a shatter hit for a quick 3500-4000 damage, freeze and repeat) were nice things to have. Also, the water elemental coming out on harder than average pulls. So... main question again, is it normal that our issues are trash mobs and not bosses and as a result, is frost viable and in fact good up til raids begin?