What is acceptable audio latency?
While some keyboardists claim to hear a 5ms discrepancy in their performances, the vast majority of musicians are unlikely to worry about 10ms, and many should find a latency of 23ms or more perfectly acceptable with most sounds, especially pads with longer attacks.
Is Guitar Rig any good?
Guitar Rig is easily one of the most feature-packed guitar/bass amp sims on the market, yet it remains one of the most user-friendly. With this latest version, there are two new amp models, Control Room Pro for advanced mix-and-match cab/mic combos, six new effects, and a few crafty functional extras.