I found this post belowon the MSDN from June 19th. Not a low cost solution like MapPoint. Might also try MapQuest and GeoMicro for other options.

Grant


Subject: MapPoint Web Service Pricing Info
There is an annual platform access license fee to use the service:
$10,000 includes maps only of either North America or Europe
$20,000 includes maps and driving directions for either North America or Europe

In addition, there is a platform usage fee based on the number of transactions your application consumes:

- 500,000 transactions annually for $5,000
- 1 million transactions annually for $8,000
- 5 million transactions annually for $37,500
- 10 million transactions annually for $70,000