.223 .220 Swift
.243 6mm Rem.
.257 ?
.264 6.5 WSM (we need this one)
.277 .270 Win.(didn't need to fix it with the .270WSM)
.284 ? (7mm-08 maybe?)
.308 .300 WSM(plenty of great .30's though)
.323 ?
.338.340 Wby. (.338 RUM & Dakota both nice though)
.375 .375 Ruger
.416 .416 Ruger (until available .416 Rigby)
.458 .458 Lott(don't even consider the .458 win mag)

*Bold indicates clearly the best.