meh, between windows and custom made progs, there wont be a major difference unless you are like some heavy hardcore constant install/uninstall person idk.
the one in Vista is perfectly fine. You really won't be benefiting much from using a custom program.
Like spyware said, if you do a lot of installing and un-installing...then maybe a custom program may be a better option for you. But as a regular everyday user, the one built into windows, is plenty