The other "bootstrap yourself with Scala" links:
http://www.scala-lang.org/node/8610
http://www.tikalk.com/java/blog/simpler-parts-scala
and i think the Pragmatic, Venkat Subramaniam, mid-09 text is still a good intro, modulo the 2.8 stuff:
http://www.amazon.com/Programming-Scala-Multi-Core-Complexity-Programmers/dp/193435631X/