I love the ability to re-map the keyboard! I have my work one re-mapped for some time now. I needed an "=" key on my number pad (I missed it from my old mac, why don't windows keyboards have it anyway?) so I remapped the num-lock to be "=" (I never use the num-lock key anyway). I do ALOT of work in excel and was contantly hitting the "F1" key when trying for "F2". I loads the help file and takes forever on my machine and renders it useless until it loads completely and I can close it. So I re-mapped the "F1" to be num-lock and scrapped "F1" entirely.