Abilities, and bullet-proof construction, you can't go wrong with the Allen & Heath ZED-22 FX. Get one!
Allen & Heath ZED-22 FX 22-channel Mixer Features:
22-channel mixer with 16 mic/line inputs and three dual stereo channels
USB audio connection for immediate recording
Feature four aux sends, 1 and 2 are pre-fade, 3 and 4 are post-fade
High-quality DuoPre microphone preamplifiers with huge 69dB gain range
Musical 3-band EQ on 16 main channels, 2-band EQ on the stereo channels
Three switches for varying your send/return configurations for recording
16 built-in effects, including delays, reverbs, flange, and chorus