Bike I guess for working out and such, but the underwear type of jockstrap I'd have to go with Nastypig.
I wear everyday instead of briefs, so want them cheap - "Adams" brand are sold by online sites or on eBay - you can usually find them for like $5. There much like the old Bikes which I also like and if you look around you can find them - but most are synthetic fabrics instead of the old cotton/elastic blend that was super-comfie.
Bike. I've worn Bike for about 20 years. Tru-fit is cheap and stretches out after so many washings.
Safe T Gard is the best, most comfortable jockstrap I have ever worn. I've played football, wrestling, and rugby.
I have found I really like the Franklin brand, wish I could still get the old style Bike ones..