I really could choose more than 3, but...
1) Never satisfied - Who is? Pul-leeze, don't tell me any of the rest of you are satisfied; otherwise your "Nervosa Membership Card" will be revoked! (Besides, if you don't see a need to upgrade, why didn't you stop at your first Realistic or Lafayette radio system?)
2) Music Lover - If it wasn't for the music, the rest is worthless! (God rest your soul, Earl.)
3a) Cheap - I admit it. If you can find a deal and save a few bucks are you going to tell someone "...oh, no thanks. I rather pay full list!" C'mon, stop it already!)
3b) Tweaker - I get a kick out of really good "bang for the buck" budget tweaks. (Kinda goes right along with 3a) Especially because many of them work without any logical explanation, which makes them all the more worthwhile and fun!
SN