[TheAceOfHearts]

This is basically jade[0]. Although jade isn't quite as smart, so the expression you wrote would be considered invalid.

[0] jade-lang.com

[ericfontaine]

interesting. Very clean looking.

[jaredmcateer]

You absolutely have to split jade documents and use includes/blocks though, any decent sized page, even if it's static becomes unmanageable very quickly.