[metallicafatcat]

http://bit.ly/s2NlqH
That should help you, and there's probably a bit on the forums.

There are some flaws, but most of the RS users will tell you, well worth the money.

 

[metallicafatcat]

The only thing I can think of off the top of my head, is that they are very proprietary. From what I've seen, it is decently effective stock, but some TLC and DIY definitely wouldn't hurt.