Plustek advertises the A150 at for simplex (one-sided) and 30 images per minute (IPM) for duplex (double-sided).
I spent two weeks abusing this scanner with crumpled receipts, glossy photos, and double-sided contracts. Here is my honest Plustek A150 test. plustek a150 test
Plustek includes a USB 2.0 cable (power comes via USB, no wall wart needed). On Windows, you will want to install the drivers from the included CD or their website rather than relying on Windows Update. Plustek advertises the A150 at for simplex (one-sided)