The QuikLok MS331 music stand is height and angle adjustable ($40). It's easy to transport, use, adjust and lock into place.

http://www.quiklok.com

As far as scrolling, that's a little trickier. If you can't fit all the lyrics on one screen, try using an optical mouse (or trackball) with a scroll wheel (or disk).

[This message has been edited by cassp (edited 09-07-2004).]