The unit weighs 14 pounds with a dimension of 17" W by 14" Deep by 4.25" high.  The unit will begin shipping in early July and a $50 discount can be snapped if purchased by July 1st.  Emotiva is working on a second preamplifier, the XSP, which will be released before the end of 2009.  They are also building a Class H amplifier to replace the MPS-2.  It will come equipped with 7 channels at 400 watts per channel.  There's no target release date for the new amp.