I sent in 165 copies of the same setting, at font size 11. I figured this way, I will have a better chance when they randomly pull 10 from the great big stack o' editor death.
You ought to check for font type as well... 12 point Times Roman fits in more than 12 point Arial
I send mine in today, I have been working in 10 point Times Roman, but I might see about upping it to 11points (even though I hate seeing text that big myself
Originally, I had it written up in paragraph form answering the questions from the template in the body - but after re-reading the guidelines I got paranoid that'd be immediately eliminated and re-formated it to have the questions followed by the answers.
I know Anthony Valterra said we could do it in paragraph form - but I felt safer following the rules on the WotC website.