http://www.amazon.com/PS2-DualShock-2-Controller-Emerald-Playstation/dp/B00006FWUT/ref=acc_glance_vg_ai_ps_t_2
Product Features
Features 12 analog keys to add intelligence to your gaming
Twin Dual Shock motors give two different feedback effects for more variety
Supports memory for more than one player at the same time
Eight-way D-pad and twin 3D control pads with independent control keys
All the features you need to take complete control over your gaming!
Not only does it add intelligence to my gaming, it has a memory system? Best controller ever.