If you are willing to give another keyboard layout a try, there are one-handed variants of Dvorak:<p><a href="http://en.wikipedia.org/wiki/Dvorak_Simplified_Keyboard#One-handed_versions" rel="nofollow">http://en.wikipedia.org/wiki/Dvorak_Simplified_Keyboard#One-...</a>
Something I have looked into a tiny amount and there are websites with info, if you haven't seen them previously:<p><a href="http://www.bltt.org/quicktips/fao_onehandedtyping.htm" rel="nofollow">http://www.bltt.org/quicktips/fao_onehandedtyping.htm</a><p><a href="http://www.typeonehand.com/" rel="nofollow">http://www.typeonehand.com/</a><p><a href="http://www.aboutonehandtyping.com/" rel="nofollow">http://www.aboutonehandtyping.com/</a>