I personally disdain purchasing software, because there is so little that is worth it. However, dbpoweramp is worth every single penny. And it's cheap too! If you get dbpoweramp, it will save you from fiddling with a handful of other programs, into a one step process. Just buy it.
Renaming Software: FlashRenamer Worth Every Penny, a MUST for any hard core user.
Speed Listening Software: