RE: .325 WSM vs. .338 Federal
I've recently seen several hunts on tv using the 338 Federal and I am NOT NOT NOT impressed. In all three huntsthe hunters had to keep pumping the ammo to the animal to kill it. If the 325wsm is close to the 338 then I would suggest neither. I think the WSM's are all hokey anyway as they do nothing that any other older calibre cant do.
Go for a REAL calibre like the 338 WinMag, or 340 Wby, or any of the RUM cals and get some horsepower in the gun for one shot kills. Heck the 7mm Rem Mag is almost as good as it gets, as is indicated by continuing top ammos sales figures.