Three days into playing with the Windows 7 PDC bits, I've already fallen in love with the new OS. Microsoft has come a long way to get things right this time. I know a lot of people hate Windows Vista badly. I do too. But I always think that Windows Vista isn't that bad. What it really lacks is the common sense of software design: convenience for users . I noticed a lot of thoughts have been put into Windows 7, although in this early pre-beta stage it still looks pretty much the same as Vista. But ......