Harris might be a nice #3 WR/PR, but he's a huge liability as a #2 if Miles or Dez can't play. He needs a free release because of his size. He's too small to play outside the hashmarks against press man with a CB right in his face on every snap. Breaston is 6'0" and has shown he's not a complete liability as a #2 WR when pressed into emergency service (assuming he's not playing with a dumpster fire QB like Cassel last year). IMHO, ideally a guy like Harris is your #3/#4 WR who is cheap against the cap and earns his game activation by returning, playing special teams and backing up all 3 WR positions. Every team needs that guy, and if you can find him with a 6th round draft pick that's a successful pick.
Despite labeling myself a "realist", no one understands my pain or appreciates my special truth. Stupid world.