Hangar9Guy - these gents know what they're talking about. To go from a trainer to a fully aerobatic aircraft is, well, insanity! Seriously save your cash and invest in something you can grow "with". I've done it one too many times where my eyes were bigger then my stomach - and I lost at least $400 in aircraft thinking I could fly them when I wasn't ready.

While they may not be as cool looking as the aerobatic planes, my suggestions are the following:

[ul][*] SIG 4 Star 60 - very aerobatic but gentile enough to advanced slowly[*] Carl Goldberg Tiger 2 (60 sized) - I LOVE the .40 and it is a good looking ride
OR[*] Mulitplex AcroMaster - though it's electric the investment will grow in your electric world if you choose to go down it. I've tanked mine at 3 feet inverted off the ground, picked it up, dusted it off and was flying again. Seriously, the AcroMaster is really really good.
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Hope this helps your decisions.....