Gamestop has the PS3 80GB Metal Gear Solid 4 Bundle (w/ Bluetooth Headset) for $559.98.

This PS3 80GB Console bundle (w/ out headset) sold out in minutes at Amazon, and actually brought the site down for a good two hours.  Demand will outstrip supply on this item.

Check it out:  Gamestop - PS3 80 GB Metal Gear Solid 4 Bundle

Full Details:

Introducing the PLAYSTATION®3 Metal Gear Solid 4 Bundle. This limited edition bundle includes the highly-anticipated Metal Gear Solid 4: Guns of the Patriots game, new DUALSHOCK®3 wireless controller, voucher for free downloadable Pain game, free PLAYSTATION®Network membership, internet ready Wi-Fi, and 80GB of hard disk storage for all your games, music, videos, and photos. Every PS3 comes with a built-in Blu-ray player to give you the best high-definition viewing experience and pristine picture quality. Plus, the PS3 can play your entire catalog of CDs and DVDs. As its digital soul, the Cell BroadBand Engine represents a tour de force in parallel processing, which means a gaming experience that is beyond what you know today. Its built-in Blu-ray Disc drive delivers a whole new generation in high-definition gaming and unmatched digital media storage. Whether it's gaming, Blu-ray movies, music or online services, PlayStation 3 invites you to Play Beyond.