I don't believe gear is the defining factor in what makes a good record. This is an incomplete and always evolving list of the things i use the most when mixing and mastering.
Software
Reaper
Protools
DSP Quattro
Universal Audio
Waves
Slate
Soundtoys
Hardware
Universal Audio Apollo 16
Universal Audio Apollo Twin
Universal Audio LA-610
Neumann KH120
Sony MDR 7506
Slate VSX