Aperture 3.4 has an updated RAW converter (v4.0) for recent (say, last 3 years) cameras. It's worth a look
They have been good, lately, at keeping camera support current. Much more so than a year, or so, ago.
But the program itself has fallen well behind Lightroom in the areas of noise reduction, lens correction, highlight recovery and sharpening. These are all critical areas for final image quality. Those moving from Aperture to Lightroom often mention the need for the highest image quality.