I use BT Business services - I don't think their at all cheap at £35 a month. (inc vat)
But for that you get
1. 24 hour help desk (always picked up in a couple of rings)
2. assigned a second incoming telephone Number on the same line (handy for those home business calls)
3. free 'myoffice' secure worlwide access to your email services (MS outlook)
4. Quality wireless router with replacement cycle
I'm sure theres more that I haven't discovered but , even though I work from home I'm well pleased with their business service and they treat me with a lot of consideration and a tech dept/guys that any provider would be pleased with (UK based)
In five years - never had a outage (touch wood)