Brett and the main MSDN PowerShell blog have had a similar tip recently (so it must be doubly good)...what I did notice was an entry which was linked to Flaphead.com excellent info on PowerShell to be had - I've subscribed.
I also see Mark Russinovich now has a technet.com blog - always a great read (again I've subscribed)! I've also been following Jane's blog which is varied and worthwhile reading and is on my daily read list.
James also gave me a mention, I did buy him a coffee so I guess he felt obliged :-), head over to his blog for a variety of postings.
Whilst doing some research for a question I got asked in a comment on my blog I found Mike and his blog Virtually Vista