Re: Top certifications
Well, the list from memory covers Virtualization, Storage, Server OS, Security and Networking. I'm not going to disagree with it, mainly because it covers a lot of topics that are relevant to the industry.
I do wonder whether we'll ever see a shift away from the vendor certs and see vendor independent certs as being the "high value" ones as they're applicable in more scenarios (assuming you can turn your hand to implementation on a given platform).
I also wonder at what point being certified in a programming language will creep in. I've already heard some people saying that they are only hiring network engineers who have some programming abilities in addition to their other skills.