Virgin for me also. Switched from BT ADSL which became worse and worse.
On 60 Meg and can't fault it. Normal browsing and gaming (on PS3 & PC) is fine.
Yes there is a download cap at peak times, but considering that downloads come down real fast I don't mind it (cap is lifted after 9pm everyday) I grab a movie of say 4GB in about 5mins, which is a lot better than when I was on ADSL, which would have taken a couple of hours.
Also hear that Virgin are upgrading their networks again for a double up in speed later this year, so I should get at least 100 Meg at no extra charge