To be honest I can't think of any 'go to' blog or website I use and I deal with this on a daily basis. Doing the Mac OS 101 and 201 exams alongside the 70-640 Microsoft series helps, and some creative googling does the rest.
As an example today I have a MacBook Pro that is running CORD to access a Terminal Services Server. Up to yesterday you could copy/cut and paste text between an application running on the W2K8 TS to Word 2011 on the Mac. Today you can't 😕
Googling gives me some information from CORD that states that transfer of text this way is sketchy at best.
Would be interested to hear anyone elses thoughts as I am probably missing out on some good resources out there.