@Clyde, I disagree, but only because my advanced classes (well, my Higher Levels at least) are courses that I enjoy and want to be taking at a higher level.
@Rosti, it just doesn't make sense to speed up and go through loads of stuff really quickly if you have to slow down and wait until everyone else catches up anyway. And yeah, I can have a really easy first year, but as it stands, I'm currently planning on taking what is apparently a very, very tough following 3 years. So I'd much rather take those 3 years of courses and spread them out over 4 years, thereby not wasting a year, AND enjoying my following 3 years more.
I mean, I'm not regretting taking advanced courses or anything. Far from it, actually - I'm really, really glad I did. I just wish I could use it to my advantage a bit more.