Haha, you're kidding right? They were just announced yesterday. Most places will be lucky if they have them in, in a week. If you want one this soon, you'll have to order from Apple Online! Retailers have to wait for their hardware just like the rest of us.
-- Mac Pro Dual 3.0 Dual Core, 4GB RAM, 150GB Raptor HD, 500GB HD, Superdrive, Radeon X1900XT, Bluetooth, Airport Exteme, Logitech Z-5500 5.1 Speakers, 30" ACD
-- PowerMac G5 Dual 2.5, 2.5GB RAM, 160GB HD, Superdrive, Radeon X800XT, Bluetooth, Airport Extreme
-- Macbook Pro 2.53 15", 4GB, 320GB HD, SuperDrive, Bluetooth, Airport Extreme