ClubMac and MacMall are offering the new 20GB and 40GB iPods, alongside a $50 discount on the older 30GB iPod.
Old iPods:
iPod 10GB - $294.00
iPod 30GB - $444.00
New iPods
iPod 20GB - $394.00
iPod 40GB - $494.00
Link: ClubMac iPod Page
Link: MacMall iPod Page