As much as I get your attraction to the current map, you should probably look at what happened with old towny. They swapped maps, but kept the download to the old one available for those who wanted to keep going on their own. IMO it would be better to just start over again.
I do think in honor of @james8470 wasting a lot of time working to get the spawn down instead of spending time with family and friends, we should keep it. I would consider it incredibly rude to throw away what he spent on the server. So if it's possible to cut out the spawn area and paste it into a special area would be really nice.