I have a client that has a .NET saas. We're looking for a reliable Windows/.NET host with Sql Server 2008 host that has good support. The gotcha is it also needs to support php and mysql for a Wordpress install. Who do you have a good experience with?
The Microsoft Small Business Server should meet your requirements. If you want to read more about the software to see if it fits your needs, further information can be found on the Microsoft Small Business Center. No registration is required.
http://www.microsoftbusinesshub.com/Products/Windows_Small_Business_Server
Have you looked into the Windows Azure platform? I believe it supports PHP/MySQL (http://phpazure.codeplex.com/ ).
Go with HostGator. They give you unlimited space, unlimited domains, unlimited bandwidth and if you take the business plan, you can even get a toll free number. The business plan gives you free SSL and IP!
They have everything you need and they give you more than what you need.
http://www.hostgator.com/shared.shtml features are there.
Hosting plans vary from $4.95/Month to $12.95/Month (12.95 is the business plan).