Two new Mac Pros today with some pretty serious power configurations and very-serious price tags. There’s a quad-core version that starts at $2499 and an eight-core version that starts at $3299.

Specs for the Quad-Core:

• One 2.66GHz Quad-Core Intel Xeon “Nehalem” processor
• 3GB of RAM
• 640GB hard drive
• 18x DVD burner
• NVIDIA GeForce GT 120 GPU with 512MB of RAM
• Starts at $2499

Specs for the 8-Core:

• Two 2.26GHz Quad-Core Intel Xeon “Nehalem” processors
• 6GB of RAM
• 640GB hard drive
• 18x DVD burner
• NVIDIA GeForce 120 with 512MB of RAM
• Starts at $3299

Possible upgrades include bumps in CPU speed, up to 8GB of RAM for the Quad-Core or up to 32GB of RAM for the 8-Core, a $700 Mac Pro RAID card, a 1TB hard drive, up to three additional hard drives (up to 1TB each), up to three additional NVIDIA cards or an ATI Radeon HD 4870 with 512MB of RAM, an additional DVD burner, and various display configurations and additional accessories.

Mac Pro [Apple Store]