Gallery: Apple adds Thunderbolt to 21.5-inch and 27-inch iMacs

Apple claims its new line of iMacs is up to 70 percent faster than before with the addition of Intel's Thunderbolt I/O, Intel Core i5 and Core i7 processors, and new AMD Radeon HD graphics.

The 21-inch iMac with an Intel Core i5 chip starts at $1,199 and the 27-inch iMac with an Intel Core i5 processor starts at $1,699.

Read more about the new computers from Rachel King's blog.