There's an interesting case study recently published on the Microsoft UK web-site for HMV who are using Microsoft Technologies to support both their physical stores and online store. You can read more here.
(Just also noticed it was mentioned in the latest TechNet Flash email newsletter - to receive your copy, sign up here)
yeah, it seems microsoft did a great job. wonder me, what kind of project budget they talked 'bout. Well I mean for the complete system (not only the licence stuff).
in case you don't want to spread around the world.. contact me under firstname.lastname@example.org