Kevin,
Look real good. After having turned about 45 of these this year (all for gifts or our own tree, no $$$ coming out of it [

]) I feel that I have become a conissuer of shape and style, mainly since no two of mine ever looked alike. That was not neccesarily on purpose, just a fact of life[

]. I really like the shape of the top one better for the ball, my wife tells me that I prefer the "squished" ones (sure glad she told me what I like better). However, I like the bottom finial on the bottom one better. Both look great, as did your others, but just a matter of personal preference in case you wanted to send one to me [

]. I did not think about burning the grooves for decoration, that is a nice touch.
I agree about the shape of the scraper's shaft. I have two that have round tool stock, and I always seem to have a hard time keeping it level. I had good success but it wasn't great. Then I tried this one from Hamlet through CSUSA, I had bought it to turn the inside lips of some lidded boxes I was making- http://www.woodturnerscatalog.com/cgi-bin/shopper?preadd=action&key=247-0099 It does have a wide flat stock that rests very nicely on the tool rest. It really increased my success with consistantcy with wall thickness and is much easier to sharpen. They actually have 4 slightly different shapes, I use the thinest and narrowest one. I start by drilling a 5/8" hole all the way through which is about as small as I can make it and still get the tool in far enough, and I can use 13/16" stock for the finials. Here is the picture I posted in another thread of few of mine, all birdseye or ambrosia maple with maple or walnut finals-
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