Amp + Speakers for a 13 ft X 10 ft room

Hi!
I'm new to the world of hi-fi, and I'm looking for some advice.
I'd like to build a stereo setup in a small room (13 ft X 10 ft). Which 'amp-speakers' combos would you recommend for that room size? I would like to get non-fatiguing, dynamic sound with good bass and open soundstage, no harsh treble either. This is going to be my first setup, so the budget is pretty low (about $700-900 per component) as I suspect any moderately good setup would be enough for me at this point.
I guess it would be better to look for vintage gear considering my budget. Am I right?
My listening preferences focus mainly on 60-80s rock music (prog, blues, art, hard, folk, soft, pop, melodic,heavy metal,etc), 50-60s jazz, blues, singer-songwriters, some 80s pop, new wave, alternative, electronic.