Don't mistake the tiny Dell OptiPlex SX260 for a thin client, 'dumb' terminal or Web appliance. This mini-system is about the size of a thick dictionary but packs a desktop Pentium 4 or Celeron processor and runs the full Windows XP Professional operating system. It's aimed at offices where space is tight, such as call centres, broking houses and hospitals, and can be installed on top of or under a desk. Configurations run from a modest £604 (ex. VAT) but can balloon to over £1,500 (ex. VAT) for a fully-kitted machine. Although it can handle most office tasks, don't expect it to be a multimedia or 3D graphics monster.