Cyldinder Head Stands

Jimacuda said

Stability is important for controlled operation of the diegrinder. Keeps the chatter down, especially with longer shank carbides. With the head effectively bolted to the table it doesn't move.
Rotation was critical for best access with the burr. Also being able to sit while cutting helped a lot. So did lots of adjustable light.

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If you are doing extensive porting, then the ability to rotate the head could be helpful. I agree lighting is fairly crucial. But if you are just gasket matching-porting, mild bowl blending-grinding, or even grinding the seats the simple peg-stands are plenty adequate.
But if you are looking for a winter project, make it as elaborate as you want.