Andi - I'm with you with "tired of dead sticks in the Spring" part. That's why I'm making an absolute vow not to buy any bodybag roses next year if I can avoid it. I can't think of any rose that I know of that I can't get at a reputable grower that I'd have to resort to a body bag. Of course, my memory of roses is in the single-to-barely-double-digits, but that's what iPhones and the internet is for (lord help me .. DH is starting to hate HMF). And if my phone takes too long to download an image, I carry my netbook & aircard w/me at all times so I can always look it up that way. LOL!
I'm very happy that we have the Knockout series of roses. It's getting people who'd never have a rose in their entire lives buy roses - they're impossible to kill. And, much like when I was in the fish industry, roses are very much so like a Lay's potato chip.. can't have just one. And, if someone gets hooked, they want more and more and more, thus making more "exotic" roses more available to the layman and not for the extreme collector.
As far as roses being bred not in California or Texas, High Country Roses may be up your alley. I'm not partial to the kinds they grow, but I'm a weirdo. These roses are designed for colder regions and poor soil. I know they grow QUITE well here in the D-metro.. so they should be able to take your winters there in PA. Check 'em out (
http://www.highcountryroses.co...). They do own-root roses and I know that quite a few people here have ordered from them in the past w/wonderful results.