Armstrod -
Yes, I'm selling the combo. I was able to get rid of the inner groove sibiliance by removing the arm and cartridge, and re-setting and aligning the cartridge. I also tweaked the pivot screw as mar00 recommended. I'm still not sure what was the cause of the sibiliance - whether it was the pivot screw or some other alignment config, but thankfully it is gone, I appreciate everyone's help.
Reason for my sale is entirely about $$$. As much as I love the table, I've got to save my pennies for a down payment on my first house. I'll get by with a lesser table for the time being until I can afford another Spacedeck.
If you're considering the rig (which is priced quite competitively IMHO) I'll give you a personal guarantee that you won't experience inner-groove sibilance.