Acer N320

HTC TyTN
Packed full of useful features and latest technology Quite large and no built in GPS

Nokia 770
Open source, Lots can be done to improve it and alter it, a good all round internet tablet Lacks flash support, small internal memory

Yakumo DeltaX 5 BT Navigator 3 Europe
3.5 in - 300 MHz - 64 MB - 512 MB - Bluetooth - IrDA - GPS receiver

Typhoon MyGuide 3500 XL
3.5 in - 300 MHz - 64 MB - 64 MB - IrDA - GPS receiver

Samsung SGH I700
3.5 in - 400 MHz - 64 MB - 64 MB - IrDA - None

HP iPaq Pocket PC Rx1950
Small, light and amazing value. No Bluetooth

HP iPaq Pocket PC Hx2790
3.5 in - 624 MHz - 64 MB - 192 MB - Bluetooth - IEEE 802.11b - IrDA - None

Qtek S100
Small and compact and does what it says on the tin Setting up MMS was not easy

Falk Navigator Pro SC
3.5 in - 266 MHz - 64 MB - 32 MB - IrDA - GPS receiver

HP iPaq Pocket PC Hx2190
3.5 in - 312 MHz - 64 MB - 192 MB - Bluetooth - IrDA - None

Advantages and disadvantages from the dooyooCommunity