Gerhard,
I Am thinking I know what your saying about the curved handle, I was toying with the idea for the handle for the mini turner before the new owner changed his mind about it's fitting and use requirements (I've got all sorts of odd C-o-C's around here somewhere!)
Have you thought about a round cutter for the ball turner? It could be made very easily to fit into your holder design.
With the pencil grinder I think the adjustable holder would be the way to go... It would have to be quite ridgid if it was to be fully useable.... But I like the idea, could be good for small bores etc? It is quite easy to regulate the speed on mine, I assume they all have such adjustment?
One of those on an adjustable mount, a good selection of stones and cutters (and a stone dresser) and you could probably get some good results in small scale items?... I think it is on my to try list.... Got to be worth a go?
Stew... You may have noticed I've been a bit of a dope and confused you with JohnS and his Ipod!!!

Don't ask what happened there, I think I'm going to have to stop posting after 2am... This might let my brain recover!!
Anyhow, I am wondering if the widescreen monitor I have is helping me see the pic's with no problem? Mac and a PC.... You got one in the 'shop and one in the house?
Spell checker is no bad thing, I keep a dictionary next to my Comp' for the words that just don't look right!

Ralph.