There's also a company in Germany that makes high AMP dataloggers, but I can't remember their name right now. I'll look for the website I saved and post it here when I find it. If someone knows it, please post it.
I thought the new Schulze controllers came with data logging capability.
Edit: Found it, it's
http://www.sm-modellbau.de/shop/inde...1468f4423f03f6