Ideally, these are all the parts I intend on using, however, the power supply is not yet decided:
-Banebots RS-540 12V 17200 RPM Brushed DC Motor
-Kuman KY58 L293D Motor Drive Shield expansion board For Arduino Duemilanove Mega UNO R3 AVR ATMEL
-Lynxmotion PS2 Controller V4
-HS-422 Servo Motor
-Arduino Uno