They updated the PS3 version of Modern Warfare 2

We've updated the PS3 version of Modern Warfare 2, including the following fixes:

- Care Package, Emergency Airdrop, and Sentry Gun marker grenades sprint speed normalized.
- Fix for "infinite care package" exploit.
- Sentry Guns: Improved placement detection, preventing cases of Sentry Guns inside geometry.
- Model 1887: Bling using Akimbo and FMJ combination now has same range and damage as non-Bling Model 1887s.
- Fixes to prevent various XP hacks.

Xbox 360 Players:
This patch has been pulled from Microsoft certification to add in additional fixes. We'll update once it has re-entered certification.