Don't waste your money on slotted or cross drilled rotors, they will not help braking performance. If you want better results spend the extra money on pads. As far as a suggestion for better rotors go, I'd just say get the ones from Stazi.
2004 Focus PZEV 2.3L - KW sport suspension, SP camber plates, Eibach front swaybar, FS intake, FS Stealth exhaust, 3.82 Final, Torsen ATB, Prothane MM insert, E1 CSVT wheels
1/4 mile -
15.201@89.4mph