A problem with the jack has slowed production of the tiny Raspberry Pi credit card sized mini computers which can run Fedora (special remix), Debian or Arch LInux. Non Integrated magnetic jacks were inadvertently fitted in to the device. These are being replaced with a magnetic version so aconnectivey will work as originally designed. Production is back underway but delivery dates for most orders will be later than scheduled.
The Raspberry Pi originally availability date was january 2012.
Model B began production 11th Jan 2012. A delay due to difficulty in obtaining the correct quartz crystals pushed the completion date back to 20th February 2012.
Model B was available for purchase 29th Feb 2012 for $35. Model A which now has 256Mb of Ram and retails for $25 went into production at the end of February 2012.