ahh i think someone on one of the mac forums was saying that those would be out at some point. the matrox ones are supposed to be the best performance wise, but they aren't cheap. the USB thing I have was ~65 and works perfectly minus the slight lag when dragging windows around, but i'll admit it can be annoying.
Desktop: Intel Core i7 930 @ 4.0 GHz | Sapphire HD 6850 | Asus P6X58D Premium | Vertex 2 120GB | 12GB OCZ DDR3 |
Notebook: 13" Macbook Pro | 2.26GHz C2D | 4GB Mushkin DDR3 | Nvidia 9400M | 500GB Scorpio Blue | OS X Lion |
File Server: Intel Atom N330 | Zotac ION G-E | 4GB Corsair XMS2 | 3 x 2TB Caviar Green |