1
They send me down many a joyus wiki path :)
Jeff Sullivan and the commenters at LL do this quite often as well. But in a very different way. Dr. D helps me explore things I am a little young / not experienced enough to know about, LL helps me discover things that I am too old to have experienced :)
What a great online community the M's have!!!
I would say I am just as much, if not more a M's fan because of SSI, MC, LL, etc. as I am a M's fan because of... well... you know... the Mariners :)