No problem -- I love to beta-read, and I know how deadlines prevent that vital step in the writing process from happening.

If you love grammar, join fandom_grammar for archives & weekly articles on common errors in writing, with examples given involving characters from favorite fandoms. (It was established by Stargate fans.) I have a lot of fun there.

Regarding #2: I'm one of those Show vs. Tell advocates who likes all stories to start with action instead of description. That way, exposition is revealed more suspensefully, instead of feeling like an info-dump.