Provided by the Google Wave developer site, I know many of you are Keyboard warriors that love shortbut keys so here is a list of ones that work with Google Wave
General
• Up/Down Arrows Arrow keys allow you to navigate through messages in your account.• Home Takes you to the first message in a wave.
• End Takes you to the last message in a wave.
• Space Takes you to the next unread message in a wave.
• Left/Right Arrows Switches focus between the compose window and the inbox.
• Page Up/Page Down Takes you to the next page within a panel.
• Ctrl then Space Marks all messages "read" when focus is on the Wave panel.
Messages
• Enter Reply to a message at the same level of indentation.• Shift then Enter Reply to a message at the end of a wave. The new message will appear at the same indentation level, at the very end of the wave.
• Ctrl then E Edit message.
Text Editing and Formatting
• Shift then Enter Same function as 'Done' button -- signifies you are finished editing your addition to a wave.• Ctrl then B Bolds/unbolds selected text.
• Ctrl then I
Italicizes/unitalicizes selected text.
• Ctrl then K Adds a link.• Ctrl then [n] Makes the current line a heading, where [n] = 1 through 4 for different sized headings.
• Ctrl then 5 Adds bullets.
• Ctrl then 6 Removes formatting from text.
Copying and Pasting
• Ctrl then C Copies the selected text.• Ctrl then X Cuts the selected text.
• Ctrl then V Pastes the text you have copied or selected.
If you want to learn more about Google Wave purchase my Ebook The Unauthorised Guide to Google Wave, it contains a good look at Google Wave Preview and some of the more advanced features included in over 20 pages.