OpenStreetMap
I can see how you can get sucked into this very quickly - I'm now obsessed with getting the map accurate for Cork. I just wish that the person who did a lot before me hadn't filled so many of the place names with 'FIXME' - its much easier to use the 'show roads with no name' option and fill them in that way!
Kaozeadenn
Evezhiadenn a-berzh daveemtb d'an 23 February 2009 da 12:42
Hehe, it is rather addictive isn't it?! The good news is it becomes more manageable when you start running out of things you can easily do. ;)
About the FIXME thing, if you use JOSM, you could download an area, and then search for name "FIXME" and remove the name tag, perhaps replacing it with fixme=no name or something, just in case the original user was trying to differentiate something by which roads they tagged name=fixme with from those they didn't. Then next time the noname map renders, it should work ok.
Evezhiadenn a-berzh smsm1 d'an 24 February 2009 da 15:28
Remember there is the minutely tile server available at http://matt.sandbox.cloudmade.com/