Argos has this Acer N30 PDA with Windows Mobile 2003 for £129.99
This is probably the cheapest price for N30. Limited stock and not available for home delivery. Reserve online and collect in-store for Free.
Features: Microsoft® Windows Mobile 2003 with Outlook® 2002, 266MHz Samsung processor, 240 x 320 (QVGA) resolution, 3.5in transflective LTPS (latest low-temperature polysilicon) TFT, MP3 player, Charger included, Headphone socket, Microphone, 4 quick launch application buttons, USB and Bluetooth connectivity, Wireless connectivity via IrDA (infrared) and Bluetooth, SD/MMC expansion slot.
How: Follow the above link to Argos.co.uk to buy and for more bargains