What do webmasters look for in a program?
 

I'm writing one for resale...so far I've got, aside from thurough traffic analysis and some dope lookin 3d bar chars,

Daily TGP and VGP generation,
Banner Specific Tracking,
Multi-Tiered Proccessing Support,
Multiple Site Functionality,
PPC or Per Signup functionality, traffic reselling/trading...what am I missing?