Use Osmand for poi collection and osm bugs.

Может лучше qgis georefercer plugin или metacarta rectifier?:)

You should align bing imagery to gps tracks. Best way is to find some street where is at least 4-6 tracks.
In some places Bing layer could have misalignement of 10-40 m. (yahoo imagery also has the same problem).

Try russian version from liosha:
http://gis-lab.info/data/mp/#