Don't app unless a card fits a specific gap in your credit profile. Rewards OR high CL OR some other specific benefit that you don't already have.
Apping for the sake of apping hurts your scores and AAoA, and in a year or two, you'll be wanting to close the eh cards. Trust me on this.
* Credit is a wonderful servant, but a terrible master. * Who's the boss --you or your credit? FICO's: EQ 781 - TU 793 - EX 779 (from PSECU) - Done credit hunting; having fun with credit gardening. - EQ 590 on 5/14/2007