The Bottom Line: Anyone who bought last year's redesigned iMac doesn't need to upgrade, but for owners of older models or anyone looking to switch, the latest 27-inch Apple iMac offers a wide-ranging set of internal upgrades. Read review
Specs: Intel 4th Gen Core i5 3.4 GHz, 8 GB, NVIDIA GeForce GTX 775M
Specs: Intel Core i5 2.7 GHz, 4 GB / 16 GB (max), Apple OS X 10.8 Mountain Lion, DVD±RW (±R DL), AMD Radeon HD 6770M, TFT active matrix, LCD display, L3 cache, 6 MB
The Bottom Line: Apple's $1,199 iMac doesn't offer the same home entertainment features as Windows-based all-in-ones, but its speed, looks, and the future utility of its Thunderbolt port make it a strong choice for performance-sensitive professionals. Read review
Specs: Intel Core i5 2.5 GHz, 4 GB / 8 GB (max), Apple OS X 10.8 Mountain Lion, DVD±RW (±R DL), AMD Radeon HD 6750M, TFT active matrix, LCD display, L3 cache, 6 MB
The Bottom Line: The 21.5-inch iMac will be a compelling lower-cost all-in-one for Mac loyalists, but you can get more capabilities from similarly priced Windows all-in-ones. Read review
Specs: Intel Core i5 2.9 GHz, 8 GB / 16 GB (max), Apple OS X 10.8 Mountain Lion, None, NVIDIA GeForce GT 650M, LCD display, L3 cache, 6 MB
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