I've never owned a Marantz, but have had friends that have, for the most part it they are very happy with the brand. It's a good quality manufacturer. The 5003's 90 wpc should be ample power for the room you have.

Who else here remembers the Marantz Gold style in the early and mid eighties.

paul

paul

Axiom M80, VP180, Qs8, EP500
Epson 3020
Rotel RB-880
Denon AVR-990