Don't look now, UKers -- but you've got yet another option in the burgeoning world of all-in-one PCs. Thrilling, we know. Packard Bell has just issued the revamped PB oneTwo, an all-in-one PC line that may very well end up referred to as "PB 12" in your domicile. Nomenclature aside, this freshened up device is a full 65 percent slimmer than the one your mate purchased two years ago, giving you 65 percent more reason to brag about it once you've taken delivery. It's available in 21.5-inch and 23-inch flavors, with Intel's 2nd-generation Core i CPU family, NVIDIA or AMD graphics, a pair of 2.5-watt speakers