Hey thanks for mentioning Ghostery -- I never heard of it before, and it looks neat. I'm using ABP, NoScript and FlashBlock myself, and I think Ghostery will make a nice addition to my line of defense.
(minor nitpick: it would take roughly 83 pages, not 10, to reach 50% of your 250MB limit)
(minor nitpick: it would take roughly 83 pages, not 10, to reach 50% of your 250MB limit)
[edit on my own math. heh]