How can you say your open minded when you have already made up your mind?
Why not take what you learned building thinBASIC with PB and share that knowledge as a mentor and let your friends help you build 2.0 in an open source environment?
I don't see much difference upgrading from 1.x to 2.x with the SMF forum and upgrading thinBASIC to 9.x of PB. Not much gain even if there is little pain.
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