Welcome ktracy. We're glad you've joined Work it, Mom! I'm a moderator for the site so just let me know if I can do anything to help you get started here. Have you checked out our blogs yet? They are awesome. Here's one of Nataly's recent posts that you might particularly enjoy since it's about part-time vs full-time work:
http://www.workitmom.com/blog/2008/04/08/is-part-time-work-worse-for-work-life-balance/
Have a great weekend!