So, not to be the killjoy here, but I've experienced way more problems lately.
Specifically, every single time I've posted a comment in the last...I don't know...5-7 days?, I've received a timeout error after a long spin. My comment will always be posted and not double posted, but it never just works without a substantial wait and refresh.
I'd blame PEBKAC, but I think I've tested enough to rule that out.