Having some problems, apparently with a script, Wednesday afternoon. Windows 7 SP1.
With IE11, site is unresponsive for a while and getting a long running script warning.
With MSN Explorer, site is unresponsive for a while, get a MSN Explorer not responding message and at least once it was trying to load something to do with yui and yahoo.
I assume it is probably an ad problem, but don't know how to tell for sure or how to tell which one.