Comment Re:Lower costs? (Score 1) 316
The problem, as I see it, is that the original poster is comparing the wrong things; namely, he's looking at MySQL for some odd reason, when several other people have here already pointed out that the de-facto OSS solution to this is PostgreSQL and PostGIS. Sounds pretty much like a drop-in solution to me.
2nd on the PostgreSQL and PostGIS. The OP should also consider using the google maps as a base map through their API