I purchased a Garmin 196 last year which came with City Select 1.xx. In November I got the email below from Garmin regarding the update. I have not purchased it, so can't give specific comments on changes, but hopefully their email will help a bit.
Email from Garmin:
Garmin is pleased to announce an update to MapSourceTM North America City Select v5. The North America City Select CD ROM will contain updated map data for the United States (including Alaska and Hawaii) and Canada. In addition to updating many areas within the United States, detailed coverage for five Canadian cities has been added. City Select contains detailed residential street level detail for the United States, and includes residential and business addresses in metropolitan and rural areas.
North America City Select v5 is compatible with the Garmin GPS V, NavTalk GSM phone, iQue 3600 and GPSMAP 196.
UPDATE POLICY:
Our records indicate that you have unlocked a previous version of North America City Select prior to September 17, 2003. Therefore, you are entitled to a preferred-rate update of $75.00, which will gain you full access to all the detail on this updated CD-ROM.
Please visit the link below for more update details, and to complete the form to have the updated North America City Select v5 CD-ROM shipped to you at no charge. Please be advised that a previous installation of North America City Select must be installed on your computer for this updated CD-ROM to install.
Visit our website now to order your update CD. The update CD will be shipped to you in a few weeks.
http://www.garmin.com/unlock/
Features of MapSource North America City Select v5 include:
* Updated full-coverage map detail--as provided by our data supplier, Navigation Technologies for freeways, interstates, national and state highways, and local, county, and residential roads for metropolitan and rural areas throughout the contiguous United States.
* Updated coverage for Canada. The following cities have been added: Edmonton, AB; Kelowna, BC; London, ON; Quebec, AC; and Stratford, ON.
* Coverage for Alaska and Hawaii provided by using supplemental unverified government sources. This provides full coverage for all 50 states in City Select!
* Updated Points-of-Interest detail.
If you have questions regarding this product, please feel free to visit our main MapSource Unlock page (http://www.garmin.com/unlock/). From there, you will be able to access FAQs that answer many questions regarding this update, including pricing information. If you have additional questions, you can reach us at cartography@garmin.com.
Best Regards,
Garmin Cartography
cartography@garmin.com
Garmin International
1200 E. 151st Street
Olathe, KS 66062