Samsung’s CDMA/GSM crossover device ACE has been mentioned on TamsWMS some time ago. However, news services based in Austria do not have much of a chance to get a sample - instead, all I can do is offer you links to interesting reviews.
Anyways, the folks at PhoneScoop.com managed to get their hands on an ACE - and have posted a thorough video review to YouTube:
http://tamswms.tamoggemon.com/2008/02/19/samsung-ace-launches-on-sprint/
