HP's already outed a bunch of business laptops today, but so far they've all been at the enterprise level, the sort of thing an IT manager would deploy on the order of thousands. But while it was at it the company also refreshed its ProBook lineup for small businesses -- the sort of operations that likely don't have an IT department running the show. For those folks, there's the refreshed b- and s-series. Starting with the "b" lineup, it includes 14- and 15.6-inch models (the 6470b and 6570b), which have a m
