Adventures with the Wife in Space is an adventure, where a Doctor Who fan husband and non-fan wife watch all the Doctor Who episodes from the beginning. They do point out the amusing stuff and the wife is particularly fond of the carpentry.
separated by a common language is an interesting blog about the differences between British English and American English.
Clients From Hell makes me glad I don't have direct contact with clients.
Dilbert is at times worryingly exactly like my work/office.
Failbook is generally particularly stupid facebook postings, but sometimes particularly funny ones.
Not Always Right/Not Always Romantic/Not Always Related/Not Always Working. These four sites go along the same lines - funny stories of customers/co-workers/relatives/boyfriends & girlfriends.
Disapproving Rabbits has pictures of rabbits nearly every day. You can't go wrong with that.