For instance, among shoes, the gold standard seems to be John Lobb (or G & G, or Vass):
Considering that ready-to-wear Lobbs cost $1,200, I don't foresee myself owning Lobbs at any point in the near future.
The best bargain, on the other hand, seems to be Meermin or (a more recent entrant, and Style Forum affiliate) Andrew Lock:
Similarly, with trousers, Incotex seems to have pride of place. But for $500-600 retail (unless you can be patient and find them on B&S here), that's also a stretch for most budgets. Howard Yount trousers, however, hit the sweet spot of quality and price at around $175. Having just gotten my first pair, I'm very impressed.
I'd be interested in hearing people's thoughts or picks for best/best bargain in various categories, including but not limited to: