Have you tried uniboard?
http://getuniboard.com/

I have not tried it...as I'm currentyly using Massiveboard...which is very impressive...and also free...

I just have to remember M for mouse and D for drawing...because Massiveboard and Desktop aren't intuitive for me yet...(for those of you that know what I'm talking about.)

Regards,

Neils

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Tried it....bloated...removed...