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I have never used either bitlaunder nor bitcoinfog so I comment only on my experiences and observations from comments above.

1) I have had great luck with bitmixer.io, over 30 transactions.  I had but one glitch, which was resolved successfully.  Just follow instructions and you should be fine.

2) With sharedcoin.com I have now had THREE glitches (and ONE with blockchain.info's own wallet service too), all have been resolved, but my observation would be that blockchain.info seems to have continuing problems as they work on their software (maybe they are under constant attack?) that their services are glitch-prone...

3) Follow instructions !!!

4) With Fog and Launder, ahh, why use them if they have such bad reviews?  Perhaps people who have had GOOD EXPERIENCES with Fog and Launder might care to offer their experiences...?

5) Note that I have no experience with TOR so cannot make a useful comment.

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I believe that freedom and BTC mixing are complimentary!  Use any services that work well for you.  It is a step we can take for liberty.