I've been using liquid dish soap to do our laundry since I read about it here on the Budget Board about 6 months ago. Just a couple of squirts in each load. There was a big thread about it and I decided to give it a shot - and I've been happy! Our clothes come out pretty much unscented, but that's OK with us. I know it is OT, but thought I'd chime in.
ETA: here's the thread about using dish soap:
http://www.disboards.com/showthread.php?t=1169753&highlight=laundry+dawn