My shoulder and budget say "no" to FF.. but Pentax is just crazy enough to make it small enough to interest me enough..
And I have 15-150mm covered in full frame lenses now anyway. Didn't really plan that, but there it is. If they choose to talk, I'll listen - but the wallet won't approve for a while in any case. I've just picked up a set of prints with some really nice images using the ME and 15mm fisheye - it's great fun with the K-5 but sadly now I know what I'm missing!
Man I'm old though, SR really saves a lot of my shots nowadays.