Before O2 got involved with the iPhone and its wondrous touchscreen, it used to shout about its Xda range of Windows Mobile handsets a lot more. But if you thought the Xda was dead, then think again, because O2 has been quietly releasing a whole bunch of new handsets, including the Xda Zest.
The Xda Zest is a small chubby Windows Mobile 6.1 handset that packs in a lot of modern features, but can't help looking like a blast from the past. You get HSDPA, GPS, Wi-Fi and a 3-megapixel camera -- all lovely, but let down by an inexpensive plastic casing that picks up fingerprints very easily.
Most importantly, it's cheap. The O2 Xda Zest is either available for free on a monthly contract or £250 on pay as you go. That may not sound like a good deal, but when you add up all its features you'll be hard-pushed to find a better deal out there.
Some of O2's other Xda devices such as the Xda Ignito (aka HTC Touch Pro) are much more refined, but if you're looking for a compact, cheap Windows Mobile handset then this could be it. Expect a full review soon.) and Xda Serra (aka