The anti-aliasing on the connection lines is very nice (erm, you know, the varying strength in the alpha channel for them). Also, I want to praise you on the XML, you matched my "style" of XML formatting exactly. I'm probably gonna tweak the visibility toggle buttons a little but other than that, I didn't/won't have to touch the XML. Oh, also I'm gonna throw in a <!-- Created by ger --> in them up at the top.
Quib
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