I don't know of any one comprehensive page you could look at, but honestly man just go back and re-watch all of the debates.. every one of them should be on youtube somewhere. also, just do basic google key word searches. I like to read alot of opinion pieces, whether it's for or against the candidate of topic. but I don't have one central place where I get all my info from. honestly I just click on anything that looks interesting at the moment. if you read enough you'll be able to piece alot of these people together and get a better idea of where they stand on different issues.
also I just haven't even bothered with some of the candidates. for example: Rick Santorum - waste of time. Perry - tool. Romney - tool. Bachman - uber tool.
I don't HATE Gingritch but nothing he says strikes me as genuine. plus he doesn't have any new ideas. just keeps peddling the same old main-line republican crap that has gotten us nowhere for decades. oh yea and.. Huntsman... lulz..
ALL of them are war mongers.. under the guise of "defense".
I think Cain has some innovative ideas, but he's banking way too heavily on this 999 thing. he responds to almost EVERY question with something involving his stupid plan. IMO the 999 thing sounds nice on the surface but I don't think it will really turn the country around. and he's a former Fed crony... he doesn't seem to think there's anything wrong with the Fed as long as it's focus is in the right place... he doesn't seem to see that artificially fixing interest rates, whether it's high or low, doesn't solve anything, it hurts. all the Fed amounts to is a hinderance to the free market, and that's under the assumption that they're HONEST! lol, throw in all the corruption, insider deals, bailouts of their special buddies in high places, giving American tax dollars away to foreign banks and foreign governments... and that's more than enough to convince me that the Fed has to go, as well as anyone who defends it.
all specific details aside... i simply don't see any real sincerity in any of them except Paul.
anyway, that's my little rant. I wish I could help you chesty with what you're looking for, but I just don't know of a website that goes down the bulletpoints on each candidate's stances on issues. I'm sure someone here knows of something somewhere on the interwebz.