So, if you are interested in photography, TWIP might be a blog, podcast and vidcast for you. Excellent photographers and well-known authors all join hands to bring you their best tips and information about all things photography and photography software. Check it out. You can find TWIP on iTunes as well.
For example this entry on print size is a nice example of good advice you can get on the blog. (Update 2010-12-05: Some of the old blog entries are now available on www.photofocus.com)