If you can find an FTE German one for a 70 - 79 Super Beetle ( Part number 113611015BH   it will be dual zone (front/rear) and should feel quite at home with your disk-front drum-rear setup. The German one will set you back $175 plus.
If you want very good quality and don't feel the need to spend Deutsche Marks or Euros, then TRW/Varga either from Spain or Brazil will do very nicely, Part number 113611015BHX and costs around $120 each. I've had a TRW/Varga in Pearl for several years now (maybe six?) and it's been working fine. The previous el Cheapo one I used from Asia lasted about 18 months.
Both of those numbers show on Bugcity.com, but the German one is out of stock.
BTW, Bugcity.com has one of those "Big Bore 20mm versions, (part number 113611020BDD ) but at $36 each I would question the level of quality and would it last?
So for all the BIG BUCKS for the German or Spanish/Brazilian ones you get, what makes them more expensive? Well, the quality of the steel used for the barrel is better; less porous and denser giving a better internal cylinder finish once polished, and the piston is stronger and won't deflect under pressure, and the seals at the actuator rod end are not only stronger but can be made of a more resilient material because there is less slop in the interface that might cause wear.
Oh, and then there's the guy or gal who made the thing, taking the time to get it right.
On the flexible hoses, I would ask how old are they? Less than ten years, leave them. Older than ten years, swap them and unless you're planning on a lot of panic stops or are taking it on the track, Plain Jane rubber hoses are fine.