BenQ P30

The BenQ P30 is another elusive low-volume UIQ phone, although in this case I've actually seen one in the wild, so unlike the Arima U300 and U308 I can confirm that this phone actually shipped (albeit in small quantities) to real customers.

UIQ - P30 specifictions Mobile Burn - P30 review infoSync World - P30 review Wikipedia - P30 overview

Specification summary:

UIQ 2.1 with Symbian OS v7.0 Display: 2.6", 202x320 pixel, 65,536 colour, 16-bit TFT touch-screen Memory card: SD / MMC Dimensions: 118 x 52 x 17 mm Weight: 150 g Network: Tri-band GSM 900/1800/1900 MHz, GPRS class 10 USB, Infrared, Bluetooth

There are many other UIQ Phones, and UIQ Getting Started should help you get going with one.