Dave had a link to an article about tips for training on his site today: http://www.uiweb.com/issues/issue29.htm (sorry - at home where I still don't know how to do links from properly!).
Interesting article with fairly standard things - though useful.
However, the thing that struck me was one hint: do one risky thing each conference. I've been thinking recently about how easy it is to get into a rut even doing "experimental" things. So I'm going to hear that advice - and not necessarily do one risky thing everytime I'm running something - but frequently