first off.......welcome to the evil side of the addiction.......er hobby rather.

second you need to consider (or state in detail a bit more) what are you wanting to do, depending on your skill.

electric, nitro, control line, free flight, rubber band powered............???

what skill level are you at? beginner? soloed? still on trainer cord?

what type plane are you looking at? basic trainer? advanced trainer? sport? scale? pylon? pattern? aerobatic?

think about these questions first..........

most any of your major hobby suppliers can get you into kits. www.sigmfg.com www.towerhobbies.com www.horizonhobby.com are to name a few.