O2's Xda II combines a tri-band GPRS/GSM phone with Bluetooth, a digital camera, 128MB of RAM and a SDIO slot into a sleek Pocket PC-based device. Read our Australian review.
If you're looking for a compact phone but at the same time require the power to view and compose e-mail, documents, presentations and spreadsheets, the Smartflip should fit the bill nicely.
Nokia's cute clamshell, O2's mini PDA and Sony Ericsson's Walkman phone are what CNET.com.au readers have been researching the most in the weeks leading up to Christmas, with Samsung's 2-megapixel D600 and Motorola's RAZR also featuring in the top 10.
CNET.com.au's M Factor competition lets you decide which is the ultimate mobile phone in each of six categories - Fashion, Camera, MP3, Smart, Budget and 3G.