i'd take the TC2 if it is not too much compared to the cost of TC. both of the ESC with almost the same spec (i have both for modified), except that the TC2 has a extension cord for the capacitor so u dont have to solder it (just plug in).
i have some friends who use mtroniks dash, but it is not punchy enough. personally i like CycloneTC, TC2 and LRP 7.1 (the old version, not the small Quantum series).