I feel like I'm late for the party and they've already had all the beer, but I was thinking...
An automatic parser constructor/generator at user level, that translates to sc code, somehow as in list comprehension with that nice {:} syntax, would be a great feature. I was searching about that because it seems to be aplicable to many domain issues. I found this as an example:
I'm making my own in sclang but I doubt it will be at premium level. Nowadays people like extensible languages and it may also relax inter developers tensions regarding syntax :-D Also because I think sclang needs more love at low level.