dataguy - here's the quantcast link for hubpages:
You need to click on chart settings to pick US, and then set the range to one week, so you can see the daily change over the last week. They've updated it up to Feb 25th.
They've gone from an average 700k to under 400k hits a day.
I looked up Mahalo too, but sadly, they hide their stats. And some of the article directories only have estimates rather than actual stats (because they haven't got the quantcast tracker in their templates).