If the rails are supported, they should be a good buy. Well...it would be a good buy if they cost less than $25 for the whole kit.
I'm kidding!!! If you get a good buy on them, they sound good. If they are supported. Sounds like you are getting a pretty good handle though. Still plenty of hurdles left, keep at it...BTW, if they are supported...
Stop talking about it and do it already!!!!!
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)