Psy Trance:
http://www.ektoplazm.com/
http://www.psypix.org/
Minimal Techno:
http://davepeck.org/oldessay/some-promising-glitch-net-labels.html
http://www.mnmltechno.blogspot.com/
Bit of everything:
http://phlow.de/netlabels/index.php/New_Netlabel_Releases
Ambient:
http://ansiform.afraid.org/
http://www.webbedhandrecords.com/