I am using pretty much the most standard browser out there for businesses:
Internet Explorer 8
Version: 8.0.7601.17514
Here is an example of the slowness and errors, just by trying to reply to your post:
Opening the thread, then having to retry because the page wouldn't load.
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E; InfoPath.2)
Timestamp: Wed, 13 Jul 2011 13:33:08 UTC
Message: Object expected
Line: 56
Char: 9
Code: 0
URI: http://www.aspose.com/community/forums/thread/316026.aspx
Try to post reply, then having to retry because the page wouldn't load
There again was an error, but it only showed up as I was retrying the page and was no longer there when the page loaded.