The use of a telescoping or vertical lift system has been avoided by our team since our rookie year back in 2001. We had tried using the tape system with the window motor glide system but we needed a lot of help.
I have been looking at some samples sent to our team from igus and those new parts donated by them to BEST. They look pretty solid and easy to use.
Does anybody have any experience with these types of items? Here is a flash animation from their website that really looks adaptable
http://www.igus.com/dwflash.asp
This is a page with pictures of the many examples shown in the flash movie.
http://www.igus.com/show_dw.asp
APS