Mystere, will be your best bet for good seats (and this the cheapest show to see). Mystere is also my favorite show of the 4 I've seen. All seats are good for this show (I've been in the 3rd row and I've been in the last row).

O is great, and very pricy for good seats. If you want the best seats, stand in "will call" for 3 hours! I've only seen this show in the first 2 - 3 rows.