Alongside the release of the Magic Trackpad, Apple also updated their line of iMac desktop computers. From the press release:

Apple® today updated its all-in-one iMac® line, widely praised as the world’s best desktop computers, with the latest Intel Core i3, Core i5 and Core i7 processors and powerful new graphics. Starting at $1,199, the new iMac line is the fastest ever with dual-core processor speeds up to 3.6 GHz, quad-core speeds up to 2.93 GHz and discrete graphics including the powerful ATI Radeon HD 5750.

The iMacs are faster across the board and Apple now offers a 256GB SSD option for the 27-inch model.