Wave has its learning curve, lots of different search options and keyboard shortcuts to be a more efficient waver exists. Two usefull waves to learn more about these shortcuts is the wave called "Search Cheat Sheet" and "Keyboard Shortcut Cheat Sheet". To open both these waves at the same time click here.

Google Wave in Firefox on the Windows platform have problems with the ususal Alt Gr + 2 key combination for typing the at symbol @. Almost every solution I've seen to the problem have been of the type copy and paste the at symbol. Thats not effective enough for me when I have to use a Windows computer....