GSXR K5 is supposed to be a blinding model by all accounts. Though this is out of the years you requested, I have heard so many good things about it, thought it was worth mentioning.
I would also seriously consider a K8 GSXR750 - for the money can’t see much out there that is better for the road. Suzuki Kevs blue/white/black one is lovely and goes like stink
GSXR K7/8 all the way, but then I’m a little biased, serves me well though, good in town, and riding like a loon elsewhere, reliable, comfy, good for 400 ish miles a week. No complaints yet.
I agree with you, along with a few other Italian beauties…but that’s not what the lady was asking. Besides, down the straight, most 1000cc Jap fours will leave the Italians in their wake.
Out of the choice of three, I’d probably go for the R1…I just love the looks of that generation.