I am going to upgrade my iMac G5 iSight's RAM (finally). I looked at crucial, and the price for a gig of ram is $68. Apple is selling the same for $200. I know crucial is reliable but whats going on?
They sell it as a "convenience". If you just want to do all your shopping with them, they'll charge you for the convenience, because it's inconvenient for them to stock RAM. They know full well that you can get it cheaper elsewhere, and would just as soon you did. The upcharge is basically a penalty.
Not a big deal, really. My company - and pretty much any manufacturer - will do the same when it's not their main line of business. It's really set up as a disincentive to bother them with minor generic upgrade parts. But, if you're REALLY willing to give them the money, then...
I just upgraded my 17" G5 iSight with a 1 GB stick of Corsair RAM. It passed memtest and has been absolutely stable for the last 2 weeks. I'm really happy with it. All the brands mentioned so far are reputable. Plus, RAM prices have dropped down to their Spring/Summer 2006 levels after spiking for a while. Here's the link if you want to know more...