If you are after a dedicated solution I can wholeheartedly recommend coreix.net – They are superb – Great Tech Support, respond within 5 minutes and there is always a technician at the the end of the phone 24×7.
But at the end of the day you get what you pay for. They are located in London – so thats an added boon if you are targetting the UK market for serps purposes. But they are pricey.
The package I’m on, I get 700GB bandwidth a month – more than enough – Although I do share my server with another non gambling related site which I run – which is very very popular – So it has made sense to go the dedicated route.