drum backing

I love my boss rc30 but the backing drums are truly terrible, are there any decent pedals or drum effects out there. I'm not really keen on a multieffects as I'm pleased with my pedals and setup. Can anybody help.
# 1
Are you able to use computer drum kits in your setup?
People I know really like this:
http://www.toontrack.com/products.asp?item=11
People I know really like this:
http://www.toontrack.com/products.asp?item=11
# 2