Freedom - 3:28 pm on Jul 15, 2011 (gmt 0)
Or, instead of subdomains, move your ? content to a new domain.
After Panda, I realized I had to have back-up domains indexed and ready to go, post-sandbox, as a proactive preventive measure against google.
If Google ganks me, then switch it all over. - I realize this may not work in many cases, but it's an idea I am seriously considering.