Waves CLA-2A vs Cakewalk CA-2A (with blind comparison at the end) - YouTube
Waves: CLA-2A & CLA-76 compressor/limiter plug-ins | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.
Video Shootout - Waves CLA-2A Plug-in Vs Universal Audio LA-2A Hardware | Pro Tools - The leading website for Pro Tools users