I vote for the 220 Swift AI; I shoot a Swift AI on a Mauser action and love it. Case streching is no problem with the AI. IMHO the Swift has the edge over the 22-250 and the Swift AI still has the edge over the 22-250 AI. Most of us reload and loading for the Swift is as easy as loading for the 22-250.
Good luck with whichever you decide; you can't wrong with either.
Don