[crazy4cats]

Yay! A cat person! Typically if a company makes a good dog food, there cat food is also most likely good.

Here are a few sites that I have collected over the last few years:

catinfo.org
littlebigcat.com
felinecrf.org
feline-nutrition.org
naturalcatcareblog.com
The Catinfo and felinecrf sites both have charts that may be of interest to you.
Have fun!