Hide Your Kids, Hide Your Wife!
Also remember that US$99/year is for developmer support (albeit forum support) as well, and includes development beta builds of upcoming version of MacOS X.
It's still (much) cheaper than an MSDN subscription.
10.6 was released in late 2009, not 2008.
One year's of no updates appears much less stagnant than 2 years.
But the problem is, that if Apple releases updates every year or year and a half, people complain about costs of upgrades. If Apple waits too long to release an update everyone thinks that the sky is falling and MacOS is DYING. (Oh NOES!)
The Mac is not dead.
We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"