A quick question. Have you read the Help available via the (?) button in the lower-right of the Keyboard preferences in Parallels? Also, there are a couple of Keyboard sections in the Parallels User Guide:
http://www.parallels.com/products/desktop/technical-documentation/
Maybe frustration is getting the better of you. I wouldn't agree the defaults are not reasonable. The Mac and each guest OS have their own concepts of and constraints around meta-keys, so creating a mapping that can work is a difficult problem to solve.
Last edited: Apr 27, 2012