Sorry to hear that, hope you get it assembled soon. Looking forward to it.
Hey, do you mind posting some pictures of the modded parts of your Shengshou 6x6? I haven't buy one yet and I've got all the other Shengshou cubes already. I have a set of Dayan springs and screw set so why not put it to good use. :D
and here the article about how sitting is bad http://www.businessweek.com/print/magazine/content/10_19/b4177071221162.htm
since my inbox in full, i tell u it here
when i do planches, i cant seem to hold it no longer than 1 min and my arms shake rapidly and my blood feels like its draining out of them