I tell you what Geof, this blasted RA is no fun...a couple of years back the Skipjack would have been finished and I'd have been half way through another project, but now....well, I'm lucky to get a couple of hours a day when my hands cooperate enough to get some work done on it.
Although the AMS isn't allowed to endorse any company or manufacturer or their products, I think it's good to name the ones who make a good product and offer help and assistance, or name those who don't. At least that gives the guys an idea of who to buy from and who to avoid, and to do their own research into who they spend their money with.
I have had dealings with Mark at MMB...some good, some not so good, but he's one of a small band of manufacturers who sell sub related stuff, so more power to him. The hobby needs these people in order to survive.
Same applies to Ron, he's been around model subs for a lot of years, and I've known him for most of them. His stuff is good, it works, and it's been tried and tested in his own boats, so that's good enough for me.
Oh, nearly forgot...guy on the Mayhem forum has a Futaba Skysport 4 on 40mHz for sale...look here.