I did a review of the PCP Distro in Tape Op a while back, I like mine...
Then theres the Lucas Deciever
A new Jenson transformer buffered box
Several
The PCP is super cool but a tad spendy, it does many things extra.. The Di is excelent IMHO and it can act as a re-amp box & some other stuff...
http://www.littlelabs.com/pcp.html 