I love theology, but you aren't ever going to read much about it that comes directly from my keyboard. I will, however steer you towards good theological thoughts that I find on blogs or elsewhere.
There are some great posts out there on Law and Gospel right now.
Start your journey with A Necessary Distinction
The move on over to Cranach
, and the question Is Vocation Law or Gospel
? Be sure to read the comments! Then read My take on Vocation, Law and Gospel
at incarnatus est.