Here are some basic specs for the sharp, just to add for discussion:

Installed Memory 62 MB

Input Method Jog Dial • Keyboard • Touch Screen
Technical Features
Processor Type Intel XScale PXA255

Processor Speed 400 MHz
Display
Screen Resolution 640 x 480

Color Depth 16-bit (64k colors)

Multimedia
Built-in Music Player MP3 Player

Voice Recorder With Voice Recorder

Audio Output Built in Speaker

Dimensions
Width 4.7 in.
Depth 0.9 in.
Height 3.3 in.