I think I hit $40 once (day). Haven't gotten close since. Good thing I don't just rely solely on Adsense like I did when I started.
i'm still a small player in this area but i've had about 100% increase so far this year (from jan/2008 upto apr/200) .. i'm steading off at about 6 bucks a day... hope i can have another 100% rise before the year ends..
No he is not kidding , he is one of the biggest earners (check his blog at www.jimkarter.com for more details)