Here is a link to the Feb Car Rental thread.
http://www.disboards.com/showthread.php?t=2843054
It should help you.
Plus you need to wait a week before looking for a good rate. Typically rental rate drop about 3 weeks before your trip.
Our trip is Feb 11-17 and we are using the Tampa airport and last weekend my rate was $233 on Friday and dropped to $113 on Sat!
Same thing happened last May when we went 3 weeks before our trip the rental car droped to just below $100 for weekly rental. A lot of people on the Jan Car Rental thread were reporting the same thing last month.
Good Luck