DIR and Hogarthian are not the same, if you read all the blurb. Hogarthian is the setup, whereas DIR is the setup, the fitness, the health etc. etc. DIR also has some different methodologies, all of which have been worked out through years of extreme cave and wreck dives.
I dive a hogarthian rig, I also frog kick most of the time, but I smoke sometimes, don't do much fitness work, and love having far too many beers
, so I would not say I am 'properly' DIR. However, what I find refreshing is the way they have got a system that works no matter what dive you do, from cave to wreck to rec.
Thats why I always use a SS backplate and wing (Unless I have open Water students. When I do an advanced open water, I wear my full rig, and when they ask about it I try to explain to them why I use it, and they all think it makes perfect sense, a few have even bought BP and wings because they like the very clean minimalist look, as opposed to the christmas tree look of most instructors.
As to freediving, which this thread is about, I would like to do it, but I am 1 hr from the coast, and when I get there I want to do a 'proper' dive. I have tried it once or twice (6m MAX!! but it was the bottom of the pond:t ) and the feeling was very nice, scarily quiet though.
I am not 'officially' tech trained through one of the agencies :naughty (I have SSI and PADI Eanx), rather, I dive with some very experienced divers, one of who is a trimix inspiration instructor. Although the yellow box of death (Buddy Desperation) is something I don't ever want to die on, I mean use. Although next year I will be doing GUE fundies and tech 1
(have to give up the fags first).