Reports are coming in from all over the place that the Samsung Helix and Pioneer Inno release date has be pushed back to early May. The initial word was that Helix/Inno would be hitting the shelves in late-March / early-April, but if these reports are true it looks like we'll all have to wait a little longer.

theflyonthewall is apparently also reporting this:

March 23, 2006
08:07 EDT XMSR theflyonthewall.com: XM Satellite Radio-XMSR target lowered to $38 from $44.16-Buy@OPCO
The firm checks indicate that it's unclear whether XMSR's new MP3 players will be at retail by April as expected. OPCO feels a delay could reflect a either a technical glitch or the company's negotiations with music labels. :theflyonthewall.com

Thanks to everyone who sent this in!

UPDATE: The only official word I have on this is:

"The products will be shipping soon with significant quantities available for the second quarter."