Howdy,
Please be aware that the GP for the ashtray switchplates ended last April (2001). I won't be able to make any more until after the Nats, and there will be a price hike (lost money on the last batch).
Also, this is not an outright purchase. It is a modification to your existing ashtray, and Ultimate chip (if you want that done). Unfortunately, from what I've heard, the ashtray is not available new from GM without buying an entire dashboard. So, some people have gone to the junkyard to get a second one rather than modify the original one.