I'm waffling back and forth on this one. I've always found 17's to be disappointing for various reasons - the HMR is wicked expensive compared to the HMR, and doesn't carry quite the same downrange thump, and it's flatter trajectory is offset by poor performance in the wind. The HM2 is cheaper, but doesn't really offer anything compelling over the hyper velocity 22lr's. And the 17 remington doesn't offer the same sort of long range trajecory or windage as the 204 or 223, and also doesn't give as much downrange thump or gopher-misting ability.
I'd be more interested in a 20 hornet. Even so, I'll probably acquire one of these at some point to play with. I do find that I can reload the 22 Hornet for about the same price as the HMR, and I'm sure the same will hold true with the 17 hornet. We'll see how it performs in the field, and then I'll have to face the decision about whether to keep it, or the 22 hornet. And that will be a really hard day for me, as I am deeply in love with my 22 hornet! Quiet, inexpensive, accurate, and really really amusing when it does connect downrange, and makes them gophers leap for joy