Andy - thanks very much for the mention! It is true that I don't visit the forum as much as I used to....I seem to have a lot less spare time since I started making penholders!!
With regard to the holders, ergonomic holders tend to be more expensive, due to the fact that they have to be hand made. I do use some power tools to help me out, but the bottom line is that the majority of the shaping, sanding and varnishing is done by hand (the amboyna burl penholder on my site at the moment took a whole day just to varnish...well actually, it's CA glue, and about 40-50 coats of it, sanded and buffed between coats). I used to also make the more traditionally shaped lathe turned pens, and they were much faster to make!
Obviously the problem with an ergonomic is that, if you can't try it out before you buy, you're never really sure whether it will suit you until you've bought one. I tend to find that, once people have bought one, they'll come back for more; getting people to buy the first one is the most difficult part!
If anyone is interested in a cheaper ergo penholder, I can do a basic wood one, with a wax oil finish for between £40 and £50 (either pine (£40) or walnut (£50)) plus postage . They'll still have the same standard of workmanship, but using a cheaper and softer wood and a faster finish allows me to keep the prices lower. If anyone is interested, or would like more information on any of my penholders, they can contact me on here or via my Etsy shop. Actually, I may see about making some to go on my site once I've finished my current orders