Say what you will about Blogger. But the site was never down. The same cannot be said for Tumblr.
I gave it a chance, using it as my primary site for the last few weeks, I wasn't happy with it. It just wasn't for me. So I'm back on Blogger where I started.
Here's a Batman drawing I did today. If you're interested in bidding on it, go to http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=230560877828