UPDATE: Nope, scratch that, I just looked and there is no gvfs, gvfs-afc or kio installed on my system.
Pcmanfm-qt still mounts all of my usb drives just fine, they even pop up in the removable media applet.
I can confirm however, that clicking on computer or network does complain about gvfsd-computer and gvfsd-network, but this could just be an issue with the .desktop file these use. These are after all specific function of gvfs and could be replaced with the kio alternatives. SMBclient wasn't even installed smbclient-stub was, before messing up my system I need to look into what this package is and what it does. I have no windows machines so samba support is not a necessity for me anyway.
I'm looking into this one it now.