Actually the Sportrack Pro is inherently one of the most accurate consumer receivers currently available (see http://gpsinformation.net/mgoldrevi...ak-pro-rev.html ). I verified their findings myself.
Yeah, I hear ya. About the only consistently accurate background software I've run across are nautical charts and aviation charts (and that wasn't always the case either). Mostly I think, because updates of these data have always been very controlled and centralized. Land data often come from a hodgepodge of sources. Though it's all getting better, there are a lot of historical errors to still weed out, especially in Datum corrections, which are probably the number one source for errors in the land based background maps.It would just be nice to actually by some street maps or something that are not full of errors, inaccurate, and out of date,