50 bucks for the unit
here it is..
http://www.target.com/gp/detail.html...sin=B00029ZV0I..and yes you need a subscription. Honestly I dont know anything about it. selling it for my mother who dosnt use it. Comes in the original box with all paperwork.
Thats all I know about these things.
edit.......Or I guess you sign up for a subscription and get one for free. I dont know how the subscriptions work.