There's an excellent review of the 910 in the Dec. 1 issue of Road and Travel-- for anyone playing with the idea of getting a GPS for the Xmas season, this article should point you in the right direction of a quality product-- loaded with great maps, ipod and more.
http://roadandtravel.com/autoadvice/2006/autogiftguide.htm
http://roadandtravel.com/autoadvice/2006/autogiftguide.htm