Ron,
I've have the hydrolic, the Mittermeir model, and even the one that Dutchman Wood Works used to make...then out of desperation one day I decided to press some antique dent irons into service on a Parker and there was no going back. They are so easy to use even a drunk could iron out the dents without going too far or making further damage.
I have some old dent irons that belonged to Emil Flues...they look homemade and simple enough to make yourself...if you tell me what guage your interested in, I'll photograph and measure them, and post the info here...if you think you might be interested, just say so...
