You can hook up a keyboard to your iPad, if you like. Not sure if that would solve your problem. Keyboard support is on our planned list of features. Most iPad users are fine with the touch screen keyboard, so we haven't prioritized physical keyboard support yet.
I do like where you're going... just had to edit a Google doc spreadsheet on my phone (painful). As a long-time Excel user,I just can't imagine giving up keyboard shortcuts, etc.
