This is my first post from Gaz. I have joined the Dark Side; I have succumbed to the halo effect. I… own a Mac. A 15″ PowerBook, to be precise. What's more, I like it. I like it a lot. After my traumatizing and frustration laden attempts at using Linux w/ KDE, I was skeptical. Then I tried Rob's iMac, and it seemed like it'd actually work for me – and I'm finding that I really like it. I'm posting right now from NetNewsWire, a RSS aggregator that looks awesome. It has a weblog thingy (which I'm using right now…