http://variety.com/2015/tv/news/arrow-without-oliver-producers-preview-the-rise-of-black-canary-atom-and-brick-1201410918/
Warning: Bunch of Arrow spoilers before the part about Ray.
I think I might like Ray's character more on Flash than on Arrow. On Arrow he seems kind of stalkerish towards Felicity. To me they haven't really integrated him very well into the Arrow cast yet.