You should check out this site: http://www.fx-sabers.com/forum/
You'll find many custom sabers and those who can give you good info on what to buy. You might want to take a look at this saber here: http://www.fx-sabers.com/forum/index.php?topic=26297.0
Its not for sale and still being worked on (page 9 has the lastest pics) but its based on Satele's saberstaff (from TOR). Also its a pretty good example as to what some of these guys can do.