I'm 22, and I'm not into "older" women per se (I guess you could say I like MILFs, but not GILFs), but I would be up for this in a second. Tight body, those boobs, face has held up, it's all good.
I am a firm believer that age is just a number, in that literally I will go for anyone who looks good. If I met a smoking cougar and she told me she's 100 I would not be fazed (well maybe I'd be curious as to how she did it, but it would not be a problem).
PS, I know by definition a GILF is someone I'd want to fuck, but I couldn't think of another term. The point is I have no granny fetish that would invalidate my endorsement as a younger man.