Jeff, I made no value judgement regarding the cancellation, so climb down off your high horse. I have traded a handful of emails with Steve regarding the possibility of his handling my custom deal, the selling of one of my other basses, and some of his other eBay deals.
Also, if you know the eBay ID of a bidder that you want to block, there is an interface for you to block them on-the-fly. I am not sure how eBay would block bidders if you couldn't identify them, though there is the option of creating an auction where individual bidders must be pre-approved before bidding. I suspect there is a misunderstanding in there somewhere.
In any case, it doesn't matter. Cancelling a listing with a day or two left on it is perfectly legitimate by eBay standards. I was just trying to follow up to Dave's announcement of the cancellation so that people wouldn't assume that off eBay means no longer for sale. I still encourage any readers that are interested in this bass to contact Superbass directly, which I wouldn't do if it were my intent to paint them as a dishonest dealer.
If you'd care to discuss this further, why don't you contact me privately and keep the mud-slinging off these boards.