I use LumoPro LP160's with Cactus triggers. I was getting ready to upgrade to the new LP180's but I've actually hit the brakes on that and am now seriously considering Cheetah CL-160's. I'm very interested in the extra power, remote power control, and hypersync options.
Although neither the LumoPro's nor the Cheetah's support E-TTL.
You don't need ettl in off camera lighting. You will have more consistant results without it.

