Hello are there other sites that offer an upload and host of files and a more fair showcase system? apart steam and nexus?

Dark Creations - http://www.darkcreations.org/forums/files/ - I think you know about that though you are a member

TES Alliance - http://tesalliance.org/forums/index.php?/files/ - File size limit can be circumvented by using FileZilla ftp upload and contacting admin ..
http://tesalliance.org/forums/index.php?/topic/1596-about-uploading-large-mods/

and there's a few more about .. Will leave those to others more accustomed to using them recently