Any favourite/highly recommended Tumblr blogs?
for sure. these are my favourites, in no particular order:
http://halia.tumblr.com/
http://tumblr.ff3366.com/
http://xntrek.tumblr.com/
http://spitshine.tumblr.com/
http://lscribbens.tumblr.com/
http://angelspukeinyourbrain.tumblr.com/
http://nerdygirllove.tumblr.com/
and of course http://collaredkitten.tumblr.com/