The formspring.me abuse is continuing, but in the meantime, it looks like they're having a bash on eventbee.com too.
These are redirecting to searchglobalsite.com, which lives at 22.214.171.124, which you'll recognize as HQHost/NatCoWeb (AS46636 126.96.36.199/20 NATCOWEB - NatCoWeb Corp.)
From searchglobalsite.com it then redirects to a variety of domains, including multifind24.com, which lives at 188.8.131.52 (AS40824 184.108.40.206/22 WZCOM-US - WZ Communications Inc.). From here, you're presented with a "search" result, helpfully listing some fake meds sites such as;
Eventbee.com will be notified, but in the meantime, you'll want to block the domains involved, and of course, the IPs (in the case of NatCoWeb, you can safely blackhole the entire ASN).
/edit 07:55 19-01-2012
I am pleased to report, all of the pages on eventbee.com have now been removed.
Formspring.me: Second verse, same as the first
Formspring.me abuse continuing
Alert: formspring.me abuse surge
Real International Business Corp = NatCoWeb (AS46636)