I would personally go with the Rega Planet 2000. I have auditoned both. But if you have the upgrade bug, I found the Rega Planet 2000 to be able to keep up better with higher grade gear. I.e. in a medium budget set-up (e.g. NAD/Arcam/Rotel/Marantz-type) both will give very good performance. I repeated the test connected to higher grade gear in the form of a Conrad Johnson CAV 50. The Rega really started to shine. In fact, oddly enough the Arcam CD72 sounded better (i.e. more musical as opposed to mechanical sounding) than the Arcam CD73 ! I looked to the dealer for some explanation: he just shrugged his shoulders.
I know have a Rega 2000 feeding a Conrad CAV 50 and Totem Model 1 speakers.