One recommendation I have is to contact companies providing reseller accounts and discuss with them your needs. Reliable reseller account providers secure their servers very well and stick to simpler configurations because any change will affect *many* sites and accounts.
I would find a company like that and ask them to manage the server. It won't be cheap and is *not* the place you should be going to if you're looking for the lowest price around.
Ankit Gupta - Cernax Hosting
"We're always second in the industry, the customer comes first."
I highly suggest Server Wizards (http://www.serverwizards.com). We have been with them for about 7 months now. 90% of our tickets are answered within 10 minutes and there has never been a problem that they couldn't solve quickly. The one downside is that they are a bit more expensive than other companies; but the price is worth it.