If You are Looking For a General Overview Then go Here
Here freefrombroke.com has a quick overview of some of the better rewards cards that one can currently find. Again, it would be best to use a credit card search engine in combination with their recommendations to find the best deal. Though, if you are in a crunch for time if may be easiest to just start with their ideas and go and review the separate cards.
If You are Looking Specifically for Airlines Rewards then Try Here
AirLinecreditcards.com has a good review of some of the latest airline rewards cards. Now their info probably won’t be as recent as a strict credit card search engine but they will be able to highlight those more in depth features of each card.