This long blog post takes a look at the Ubuntu family and dyne:bolic 2.4.2
Read it here
Ubuntu Studio 7.04:
Friendliness: 5/5- See notes for Ubuntu 7.04.
Performance: 2.5/5- In multimedia creation, low performance can have a serious effect on sound quality, even with a low-latency kernel.
Features: 5/5- It's a complete studio.
Packaging: 4.5/5- See Ubuntu 7.04.
Friendliness: 4/5- Takes the pain out of having to use a Live CD.
Performance: 4.5/5- A lightweight, fast CD.
Features: 3.5/5- Not exactly a paltry feature set, but clearly not ultra-complete.
Packaging: 4/5- You can download modules from the site, and they're relatively easy to use- except that they require a hard disk or USB drive. (But where else would you store your files?)