TRANSTER is based in the USA but contains a lot of useful info on the medical process, plus surgery pictures etc.
LUKAS' PAGE - Personal site of a trans man based in Germany (with English version), with photos, transition diary and other info.
CHEST SURGERY - page with detailed account of what to expect with the UK's most respected chest reconstruction surgeon and how to get through the experience.
THE CASE OF CHRISTINE GOODWIN - from the EU Human Rights court, the official verdict and explanation of the famous trial that potentially will change the life of British transsexuals.
TRANSSEXUALITY by Jennifer Reitz, site similar to this one (but better), but more geared towards MTFs, however still contains a lot of stuff that's valuable for all.
TRANS MAN EXPRESS - personal transition diary of Benji with photos.