Eachclassorinterface within apackagemayundergoseveral independentrevisionsbetweenreleases, but a package release captures only the latestversionof each class and interface.
BPS, meanwhile, is designed for small offices where full-fledged BES might be overkill, but RIM's tendency to let the package stagnate after a BES release probably sealed its fate.
He also noted that the TiVo package is on track to release before the end of this year, for people who can't quite stomach the price of a TiVo Series3 DVR.