Haven't used it in years, but I had my org-mode files bound to F6. I wasn't a Schemer, so after briefing myself: M-x slime
>>16
Too little too late I suppose, but a keyboard with n-key rollover and a few lines in my .xmodmap ended my RSI problems:
!Swap right-alt/ctrl
remove mod1 = Alt_R
remove control = Control_R
add control = Alt_R
add mod1 = Control_R