You are better off with Midnight Club Los Angeles. If your a die hard NFS fan, dust off your PS2
If you ask me for a winning NFS formula I suggest the following:
1-Cops as hard as NFS Most Wanted if not harder
2-As many cars as possible (undercover seems to do that right)
3-Make tweaking and tuning the cars something you can actually feel affecting your driving, like how important it was in NFS Underground 2
4-bring back the cruiser races like the underground series
5-take away the wiiiiiiiide open roads of Most Wanted and Undercover and make them more challenging (but keep the ability to speed there not too hard)
6-Please o please o please give us the option to listen to our own music like Midnight club does. (Yes you can hear your own music on midnight club)