Yes, buy a DLE 20 for the cost of the batteries you will need
Sorry...[&o]
[link=http://www.horizonhobby.com/Products/Default.aspx?ProdID=EFLM4060A]Power 60 Brushless Outrunner Motor, 400Kv by E-flite[/link] - $109.99
[link=http://http://www.horizonhobby.com/Products/Default.aspx?ProdID=CSEPHX80]Phoenix-80 Brushless ESC by Castle Creations [/link] - $135.96
[link=http://www.horizonhobby.com/Products/Default.aspx?ProdID=EFLB32004S30]3200mAh 4S 14.8V 30C LiPo, 12AWG EC3 by E-flite [/link] - $89.99
(This would be the minimum battery for reasonable flight. 5 cell would be ideal and 6 cell would become fun.)
But...

[link=http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXAEPW&P=0]DLE Engines DLE-20cc Gas Engine w/EI & Muffler [/link] - $269.97