HP offers a perfectly capable, non-3D 23-inch all-in-one in itsTouchSmart 610. For the above reasons, and others, I recommend that system over the TouchSmart 620 3D to most buyers looking for an all-in-one. If you're committed to 3D, or if you want an all-in-one for gaming, check out Lenovo's faster, more affordable IdeaCentre B520.
The TouchSmart 620 3D is essentially an updated version of the TouchSmart 610 we reviewed this past April. Along with the 3D screen and accompanying glasses and software from TriDef, HP has added a second lens next to the traditional Webcam on the TouchSmart's top edge. This second lens makes it possible to capture your own stereoscopic 3D pictures and video footage.
For $500 less than this TouchSmart 620 3D, you can still buy a non-3D TouchSmart 610xt. The only other difference between the two is the Radeon HD 6650 graphics card in the TouchSmart 610, not quite as good as the TouchSmart 620's Radeon HD 6670A.
The awkwardness of the TouchSmart's 3D implementation stems from the absence of centralized 3D control software. I understand that various issues of Blu-ray encoding, player licensing, and software drivers, among others, make that idea a challenge, but it's almost as if HP went out of its way to make launching a 3D game or recording and playing a homemade 3D movie more difficult.hp touchsmart

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