Not very high res. Finally tracked down the stats for this scanner... U version should be the same except of course the usb interface.
Still not bad for $30.
Acerscan 320p
300x600dpi 36bit Par Port
Color Flatbed Scanner
by ACER PERIPHERALS
Features:
Sharp, brilliant colors: 36-bit color for more than 68.7 billion color representations
High-speed one-pass scan: color preview in 5 seconds
300x600 dpi optical resolution (9600x9600 dpi maximum resolution)
Vivid image quality with color enhancement technology
Friendly, versatile TWAIN-compliant driver for Win 3.1/95/98/NT
Parallel Port Interface Easy Installation, Compatible with EPP/ECP/SPP Modes
24 hours 7 days a week Toll-free Tech Support