>Hi Mike,
>
>>
>>I went the uniqueidentifer route with my PKs for a few months, but switched back to auto-incrementing integer.
>
>Glad to see you back. Why did you give up on UID's? Just curious.
>Tim

They had some benefits and they fit really well with my own rolled Data Access layer, but once I started to use NHibernate the benefits were no longer very beneficial as NHibernate handled all the relationships under the hood.