My favorite new ORM, MindScape's LightSpeed, has released their 2.1 version. I love this little ORM. It's fun and friendly to use like Linq 2 SQL, but has a ton of little productivity enhancements that make rapid developers happy. Some of the things I like about this ORM:
Designer Support - Nice little designer much like Linq 2 SQL. I can go without a designer, and I do quite often with NHibernate, but it's so nice when explaining things to other visual people to just pull up the designer and say "look...right here!".
Linq...