The Toshiba NB550D is one of the first netbooks to use the dual-core AMD C-50 CPU and ATI Radeon HD 6250 graphics Toshiba has an enviable reputation for releasing solid, well built netbooks with good battery life, keyboards and screens. Previous models including the NB205 and NB305 were lauded as dream machines for mobile workers. But what of the new range? As per usual, all 3 of these netbooks have...