Yes, but it's expensive. I pay $89 + $10 for static IPs per month. The data rates I get: 50+Mbps/6Mbps. I torrent tv shows and I've never noticed any problems seeding. My downloads usually start out at 3-5MB/s, and drop down to 2MB/s. Clearly they are throttling the downstream, but I can live with that rate.
EDIT: I don't know what the advertised rates were, but they were less (20/5?).
There was some discussion around this recently (e.g. my recent history for a link into it). My Comcast residential rate is approaching that level. Installation fee and lengthy commitment aside, it would make sense for me to switch to their low end business plan.
You might be onto something. Whenever I go through the available plans on Comcast's website, I'm sure it's only showing residential plans. I've never looked into business plans. My guess is they would be very expensive, and offer unneeded features like a static IP.
business service isn't that much more expensive than their 20Mbit service. i've been paying $75/month or so and the upgrade to business in my area is $15 more/month or so.
EDIT: I don't know what the advertised rates were, but they were less (20/5?).