The following is an update on Mac OSX Lion support for Serato software.

Serato Scratch Live
Serato Scratch Live now officially supports Mac OSX Lion, although there is a list of outstanding known issues here. We will be working to resolve these known issues.

Serato ITCH
Serato ITCH now officially supports Mac OSX Lion, although there is a list of outstanding known issues here. We will be working to resolve these known issues.

Serato Video-SL
Serato Video-SL does not currently support Mac OSX Lion, and you can read about the known issue here. We will be working towards officially supporting Lion.

Serato DJ Intro
Serato DJ Intro officially supports Mac OSX Lion.

Serato Pitch 'n Time (Pro, LE, FE) and Rane Series
There are no known issues with these plugins and Mac OSX Lion.

UPDATE: We have discovered a known issue with Pitch 'n Time LE on Logic Pro which causes the Audio Unit validator to crash. You can check out the FAQ for more information here