I would also suggest a Slim. If you want vintage without the adjustment, get a Red Tip. IMO, the Red Tip is the finest razor Gillette ever made, but YMMV.
For modern, the Cadet TTO is hard to beat for price or performance.
Good luck with your decision!
Chad beat me to it. 1940's Gillette SS is a great classic.My favorite TTO is the Gillette 40's style Super Speed. Perfect blend of looks and shaveability.