Caps are the bomb if you have the experience and extras are great if you wanna get the experience. I would have to agree with cabanestrut. If you want a great aerobat and are fair with a fun flyer get one of wattages' extra or cap and put a hacker b20s 4:1 geared and you will have a ball. Little expensive but well worth the wait of the extra Cash!!!! My 2 cents, wait and get the watt cap and b20s 4:1 and have aerobatic bliss!