I had a 900 bevel (Darmah) and yes they do need some tlc (but so do most classics) and the are a joy to ride. Big end bearings don't tend to last very long, though I believe they can improve these now. Also if he gets the 900ss he is without doubt getting one of the best looking bikes ever made.
[Edited on 22-3-2005 by STEVE M]
[Edited on 6-4-2005 by twentytwo]