If you are not aware of it, have a look at some local LEGO designers' work, showcased earlier in the year at Melbourne Uni.
More images:
http://www.google.com.au/images?hl=en&q=Brickvention%202010&um=1&ie=UTF-8&source=og&sa=N&tab=wi&biw=1280&bih=890
Video:
http://www.youtube.com/jawapro#p/u/1/nlBX5HVJE50
Maybe your creations will be there next year?