I thought the main git was really thin (i.e. cheap) sounding. I've heard your other stuff, so I know this isn't a consistent issue with you but,.. I dunno.. the whole mix just seems really "cheap" and thin sounding. Thin drums (no low end), thin gits, tiny piano sound, DI'ed/cheesy sounding lead, and to top it off, you used some kind psycho-stereo-spread effect on your voice.
(which added the last bit of an "amateur" touch to it).
Before you think I'm being too harsh aboot it... don't.
I personally dig your stuff and I know you can put out good sounding stuff (because I've heard you do it before). Basically, I'm saying that since this is an old song, there isn't much you can do to "fix" the current tracks... but it's a decent song and I would say it's prolly worth retracking in the future. You'll (as you well know) get a lot better results from retracking it using your current "tracking" knowledge, rather than trying to remix it using your current "mixing" knowledge. There's only so much you can do to fix a poorly tracked song. I know this may be a moot point, since you just want feedback on the current mix, but I just don't think this mix (as a result of the tracking) does you justice.
If you
do decide to retrack
then I would suggest redoing those rhythm gits with a much fatter tone, and doubling them to give the gits some width. I know drums are an issue with most of us (myself included) so I dunno if there's anything to do aboot that, but maybe try out different types of snares/hi-hats/kicks. Something a little more "rock". Get a more stratocaster-ish/blues tone for that lead (not so gritty). And please... take that huge stereo spread off your voice. You have a great distinct voice and I don't think it does it justice to slather it in so much effects.
WATYF
(P.S. I dunno if I've ever mentioned this, but I still have "Whatever you take away" in my regular rotation... that is one great sad song.)