Are you looking for something to use in live performance? I use MixMeister (MM) Studio for crafting radio shows and while it is not flawless, it is excellent for that purpose; I know ppl who use it live who feel the same ...

There are definitely issues with the Mac versions, and there is very little evidence of on-going product development other than "apps" now that Numark owns the company, but for people who are running the last-released stable versions of Fusion or Studio for PC, it operates excellently.

Did you have a specific question?