There's also the Behringer MIC2200, which can set a SSF and adjust overall gain. http://www.behringer.com/EN/Products/MIC2200.aspx
Also check out this thread at AVS for some more comparisons: http://www.avsforum.com/avs-vb/showthread.php?t=1138455
Also check out this thread at AVS for some more comparisons: http://www.avsforum.com/avs-vb/showthread.php?t=1138455