I use an Epson NX415. I got mine as a freebie when I bought my laptop and I love it! Never had any problems with it. Scans slabs beautifully.
http://www.amazon.com/Epson-Stylus-N.../dp/B0026ZPK34
It's an all-in-one (scanner, copier, printer)so it takes up minimal desk space as well.