everything you're saying sounds good to me except for hand 1 (awwww iiiinnnnnnn!!!!!)

the check/raise I'd use with air or a draw (if the lagg stays in his "bet pot" multiple bullet mode) just as much as a monster. If you get called down he'll know the days of fking around with you won't last and he'll know the next time you do it you'll prob have the goods.