[plt-scheme] More document (newbie)

Hi,

Penultimate paragraph of http://docs.plt-scheme.org/quick/index.html (kudos on Quick, by the way) is "To continue touring PLT Scheme, but from a systems-oriented
perspective instead of pictures, your next stop is More: Systems Programming with PLT Scheme."  What planet are you guys from?  PLaneT?  Seriously, I'm a long time full time programmer who's been "touring" PLT Scheme for years and the More document is way over my head.  There has to be a better way to introduce things like parameterize (section 7 of 12, not "the last couple of sections [that are] considered difficult") into a newbie tutorial.  When you teach students the items therein, what are their questions?  Can your answers be incorporated into documents like this one?  

With a great, free IDE like DrScheme, the only reason it isn't used more is the perception (or maybe its the reality) that the capabilities on offer aren't worth the time it takes to competently wield them.  The learning curve must be flattened, either by simplifying the language or improving its presentation, IMHO.

thank you,
George