I have never had a problem using a credit card at these shows... They do add a 3-6% fee, depending on the card you want to use, so it is better to have cash... Yes, the deals are not what they used to be on current systems, but I have gotten some very good deals on components. Last show I went to, my father-in-law picked up a perfectly good motherboard for $20 and the show before that, I picked up three 8-port switches for a total of $40. Not too shabby! Here is what my shortcuts have for the shows: KGP is the outfit who runs the Marlborough show on Rt 20. Their URL is http://www.pcshow.com The last show I went to at the Centrum was run by NCS (I think) http://www.ncshows.com Basically, they are the same... About a dozen vendors selling "custom systems", as many again selling components, then a whole bunch selling shrink-wrapped stuff you can see in any independent computer shop (video, speakers, cables, etc.). The final category is software (educational or games) and books - but don't pass these over... I have seen some very good prices on the odd piece of hardware at these otherwise skippable tables... Steve