Meh. Only three cartridges? Pikers.
I have a Taurus something or other (probably 327?) that shoots, IIRC, five different cartridges -- with no cylinder swapping required. The "native" chambering is .327 Federal Magnum, but it also shoots .32 S&W Short, .32 S&W Long, .32 H&R Magnum, and .32 ACP.