Crossfire with two Radeon HD 2400 Pros is too expensive. A 2600 XT is at least 30 percent faster, a 2600 Pro both faster and less expensive.
Click image for high resolution version

Crossfire with two Radeon HD 2400 Pros is too expensive. A 2600 XT is at least 30 percent faster, a 2600 Pro both faster and less expensive.