Originally Posted by DArtagnan 
As for DLC loving market - I have no idea what you're talking about.
People buying games today prefer to buy DLC over expansions*. Whether that's because of the impulse thing or otherwise I don't know.
*hence why developers make DLC rather than expansions in most cases. Obviously a slightly simplified statement, but the core fact that these businesses generally have done the right research remains - if you know better than the top guys in the industry then you should be in their jobs
Blizzard, as ever, are just doing "their thing", but then they can afford to. Expect to see old school expansion at old school pricing too.
What are you basing your insight on expansion sales on? What modern examples of AAA game expansions are we talking about?
Games like NWN2.