Having no experience with "either", "7mm Express" sounds wimpy and fails to stir my blood while ".280 Remington" sounds like a cartridge I'd like to get to know...
Those marketing types can sure be idiots...
Coyote Hunter - NRA Patriot Life, NRA Whittington Center Life, GOA, DAD - and I VOTE!
No, I'm not a Ruger bigot - just an unabashed fan of their revolvers, M77's and #1's.