If the Spyder has a fast trigger you'll be able to outshoot the hopper on semi mode also, so watch out
I can never get my friends to play either. They're either broke, busy, or lazy
If you aren't going to spend big cash on a barrel, I'd look at a CP or Lapco. Most seem to prefer the Lapco for accuracy, though its a little louder. I have one of each and like the Lapco better.