The Original Grumpy Old DBA bloghttp://sqlblogcasts.com/blogs/grumpyolddba/
Here's where I go when I'm looking for information or help
Home is the UK SQL Server user Group.
Without whom and all that stuff ......
Paul should win a prize for the sheer depth and volume of his blog.
Storage is critical for enterprise systems this is where to start to learn.
Kalen Delaney of the "Inside SQL Server" books.
A great blog with lots of information.
Itzik Ben-Gan t-sql genius.