Toshiba and Microsoft introduced the Gigabeat S at the CES 2006. CNET just published a review of the Toshiba Gigabeat S that should hit stores in March in the US.

Update:
Toshiba Gigabeat S 60GB Deals
Toshiba Gigabeat S 30GB Deals

The CNET reviewer is a big fan of the Portable Media Center (PMC) and raves how intuitive it is. He is though not pleased with the button interface of the Gigabeat S. The 2.4 inch screen also lacks the vividness of the one featured in the Creative Zen Vision:M for instance.
Read the full review for more details.
Microsoft will release the Windows Media Player 11 in March and also the MTV and Microsoft music service site Urge is supposed to launch in 2006. If the portable media players by Microsoft partners such as Toshiba are not gaining on Apple's market share, Microsoft might really have to launch their rumored portable gaming and media gadget to fight Apple directly.