The structure of the Omaha event looks pretty aggressive. $2000 chips to start at 25/50 limits. Unfortunately the limits double for the next four levels, and the levels are only a half hour long, so after two hours you're playing 400/800 and your starting chips are less than three big bets.
Same with 7CS, 2000 chips to start, 30 minute levels, 5/10/25/50 and the same limit structure up to level 6.
Still, it might be fun. Maybe not fun enough to be worth taking a vacation day, though.