Here's a list of blogs I'd recommend reading and subscribing to.

• A Smart Bear
• CCIE Or Null
• Datacenter Knowledge
• Derek Seaman
• Duco Jaspars
• Elasticskies
• Ivo Beerens
• NTPro
• Scott Lowe
• TechHead
• TechnoDrone
• VirtualGeek
• VMdamentals
• VMGuru
• VMPros