Thank you very much for the input everybody, stuff like this is really helpful as it means I won't charge off and spend a lot of time working on an area that doesn't really matter that much to users.
I agree that the heat of the BBQ is enough to kill bacteria on the grill. However, I'm wondering if the look of a charred and lumpy grill can be off-putting to people who aren't confident in the safety of barbecued food. It's like you were saying, Steve; a lot of people don't treat the barbecue in the same way they do regular kitchen tools. However, if it's possible to sort the grill out, so that people aren't forced to use one which is 'dirty', I can't see why that'd be a bad thing. Given the choice, would you rather use a sparkly shiny grill, or a blackened one with flakes of old food attached to it? I think people have simply gotten used to the idea that a BBQ grill is 'supposed' to look dirty, and make allowances for this, when there's really no reason it needs to be any different than something you'd use in the kitchen.
Currently I'm toying with the idea of a disposable grill - maybe a roll of mesh or something - so the grill is new each time. No cleaning up required, simply chop off how much you've used and chuck it in the recycling. Also, this would solve the problem of food falling between the bars of the grill (although you wouldn't be able to sear the grill lines into the food any more). What do you guys think of this?
Failing that, either a modular grill surface which can be disassembled or maybe a flexible grill which can fit into the sink... the mind wonders!
I'm keen to get female input on this issue too. I've managed to get my hands on some market research data done in 2008 which states that only 13% of BBQ cookers are women, and that 46% of the women surveyed didn't like cooking on a BBQ. Obviously the female members here presumably like BBQing (otherwise they wouldn't have joined this site!) but maybe they could shed some light on why a lot of women aren't so keen in front of the grill. Is it a tradition thing (i.e. men have 'always' done the BBQing)? Is it something to do with the design of BBQs themselves which is off-putting? It seems to me that BBQs have come a little too far away from their origins - a fire pit that you can cook meat over. It's almost like we're designing more and more elaborate boxes for the fire, and, as a result, a lot of BBQs end up looking like complicated machines made of angular metal and welding. I'm guessing this might be intimidating to a novice BBQer who's interested in starting but doesn't have much experience.
Sorry if any of that comes off as patronising or condescending, hope I can get some useful info from everyone!
Also, would any of the posters object to me using their responses in my reports? I will omit names etc. so you won't be identifiable.
Thanks again for your help, it's proving really valuable.
JT