wine tasting etiquette question

[wondersofwine]

I like to have water readily available (I prefer non-carbonated, non-mineral). Need something to pour or spit in. Decent glassware is a bonus. Bland food like white bread or raw cauliflower to cleanse the palate. A listing of the wines to be tasted with vintage, producer, all the essentials and price. If moving from table to table or booth to booth (not seated and wines poured in front of you), people should move on after receiving the pour and exchanging brief remarks with the pourer--no blocking traffic and hogging the vintner or sales rep.
At a more serious tasting, data sheets on the wine are nice, but usually just a business card or brief brochure about visiting the winery, etc. would do. Sufficient chairs or benches should be placed around the room so that consumers can take a break from making the rounds, or juggle food and wine glass without creating a catastrophe.