Lomo tanks for developing super-8 and 16mm. Make sure you buy the 50 feet (15 meter) tank, not the 30 feet (10m tank), unless you only want to develop double-(super)-8mm. in rolls of 30 feet.
When the film is loaded onto the reel, make sure that the perforation edge is down in the spirals. This is to ensure that uneven processing won't impact the image area.
What's it worth? Take a look at this list of: sold Lomo Tank for a value indication.