Of the models you listed, I would rule out the Ibanez. I've never played a The Loar that rang my chimes but others like them. I used to have a KM-250...
I'd rule out the Martin. They're nice instruments but not really what I'd think of as born to rock. I think you'll want f holes, which also rules out...
Be aware that TME's stock as shown online includes just two mandolins for less than $3,000 and no oval holes. I have a KM-272, which is just a 270 in...