Haha I don't need clues/tips/inside info. I rely on experience.
My advice? Don't bother. Head down and get it this wk end.
PC Shows are over-hyped. I'll tell u why:
1) The cameras aren't cheap. They sell you at the RRP which is a couple of hundred more than what MS or even CP sells.
2) Yes, they give you more freebies. But the freebies really suck (except the additional memory). Cheapo tripods, $5 "lens cleaning kits" etc.
3) Even accessories are more ex. Sigma was at the last show, and I don't need to tell you their prices. Do they think dSLR owners are stupid or stupid?
The only things you can consider buying at PC shows are memory cards and camera batteries. Eastgear usually has some promotion on batteries and you can save a few dollars.
Memory card prices are usually cut a little, so you can also save some cash there, depending on yr luck.
I've been to almost every other IT/PC/Hardware what-have-you tech fair at suntec expo what-have-you god-forsaken place for the past god-knows how many years. So I can't be that wrong. Good deals for dSLRs are few and far between at such events.