remote flash trigger for EP-1

I know there are many different ones out there and that more than a few can cause interference and image quality issues. Looking for setups that work with EP-1 but am interested it what has worked with other m4/3 bodies as well.

Thanks in advance.

--
Charles
My family images are at http://www.stakeman.smugmug.com
Be sure of your subject.
Never, force the shot.