Tikka t3x.......Heard they have a smooth bolt, Can shoot 1/2" MOA @ 100y (I am buying one at the end of the year). Also, they don't need breaking in......1-3 shot and its good to go. Also, heard the T/C compass is a good gun. For a calibre 270 and 7mm08 are both flat flying cartrridges, a .308 has a bit more drop and curviture while flying at longer ranges. Put a DPT supressor to tame the recoil and noise. Depends what you want to do.......If it was me I would go for the 7mm08 or .270. If you want to go bush, buy a .308, cut the barrel and chuck a suppressor on it. But if you want to shoot medium ranges and bit of bush go for a 7mm08 or 270. I am buying 7mmRM, but like @Mooseman said...... it is about the enviroment you want to hunt in.