Flying Nun put out an amazing compilation last year that was put together by Bruce Russell of the Dead C, it rounds up the more psychedelic moments of 80s Flying Nun, it's called Time To Go, link:
http://flyingnun.bandcamp.com/album/time-to-go
Anywho, my favourite of the Flying Nun bands is The Pin Group. Dead C are amazing but I wouldn't call them a Flying Nun band as only one of their 20 or so albums came out on that label.