The IBM ThinkCentre S50 Ultra Small is the world's smallest 'full-function' desktop computer according to manufacturer IBM. Whether it's the world's smallest or not, it's certainly one of the smallest we've seen.

Once the lens shutters are opened, the Canon PowerShot S50 powers up and welcomes you with a tone. Similar to the smaller Canon IXUS 400 in terms of features, it too ships with a 32MB CF card and AV cables. With fairly easy to navigate menus, the S50 also features video capture and a thumb-sliding preview mode.

IBM has launched the ThinkCentre S50 ultra small, a PC which it claims is the smallest in the world.

IBM has a well-earned reputation within the corporate sector for providing exceptional quality desktop workstations. Their latest model – the ThinkCentre S50, is set to keep that reputation on track.

With the same type of easily removable tool-less housing as the ThinkCentre S50 this HP machine can be stripped and rebuilt very quickly, which will appeal to the corporate IT techs and SMEs wishing to avoid lengthy hardware failure downtime.

Dell has seen considerable success in the consumer PC market, and has drawn on the expertise gained in that market to drive into the business market over the past several years.

Smart, clever and capable. A couple of imperfections keep it off the top spot, and we might be tempted by the camera-less S70, but it's a fine choice

Adaptec could offer a higher storage capacity for the price, but the 650 certainly delivers on performance and features.

Absolutely blitzing the competition, Altech takes out our highly coveted Labs Winner Award, just beating IBM to the top spot. Heavy on both the features and quality, this unit was one of only three units in the roundup to feature a 17in TFT display, with the others, the Pluscorp INTEQ V26 and Apple iMac, falling by the wayside on price, hardware spec and performance.

Still a great looking camera that's foolproof to use, but Wi-Fi's now only half the feature it was