This particular spammer just re-did the format of their emails, probably to get around the rules that we’re working on. Do they read the spamassassin-users list? (I can tell it’s the same spammer, since the return address in Dundrum, Ireland, is the same as some of the earlier ones, and the styling is similar.)
Here’s their new format: http://pastebin.com/BpZ4RRJv It got a score of -0.7 on my box!