I'm really digging what I've read so far about McGuire. He's supposed to have excellent defense and receiving skills, and a bat probably similar to Ruiz (my comparison based on what I've read, may be wrong). I wouldn't be at all upset with us taking him. With that said, it's hard to get a potential big bat like Frazier, especially when it combines some wheels on top of it. Can we really go wrong with either guy?
A few quick google scouting reports (that aren't behind subscriptions). Perhaps if anyone has any other good ones they can post them:
McGuire:
http://bigleaguefutures.net/1/2012/12/16/scouting-report-reese-mcguire/
http://rayscoloredglasses.com/2013/04/19/taking-a-look-at-the-top-catching-prospects-in-the-2013-mlb-draft-reese-mcguire/
http://www.thegoodphight.com/2013/5/16/4333946/2013-phillies-draft-preview-reese-mcguire
http://blog.thenewstribune.com/preps/2013/05/16/movin-on-up-could-mcguire-end-up-being-the-next-johnny-bench/
Frazier:
http://baseballprospectnation.com/2013/04/26/scouting-report-clint-frazier-of/
http://bigleaguefutures.net/1/2013/02/24/scouting-report-clint-frazier/
http://www.baseballprospectus.com/article.php?articleid=20444