K-Meleon
Mozilla suite (including mfcembed.exe) running the same version of Gecko as K-Meleon 0.9: http://ftp.mozilla.org/pub/mozilla.org/mozilla/nightly/2003-10-16-04-trunk/mozilla-win32.zip
The file above has been removed from the server. You can still find a copy here: http://users.skynet.be/alternity/k-meleon/files/mozilla-win32-20031016.zip
Mozilla's smoketests:
http://www.mozilla.org/quality/smoketests/