A bit irrelevant for a post about servers and SEO (which in itself is irrelevant), but I have to agree with you. We use 1and1 for some of our PHP websites and they are awful considering what you pay. Also, their new TV adverts are an abomination! You cannot be a serious hosting company when you advertise Geocities-esque site builders for businesses wanting to use the Internet…
Faster loading pages peform better on search engines. For me this meant having a hosting company that provides decent servers and also a decent connection
Being able to multiple IP addresses - something to do with C-class …