Ok, so you want 99.9% guaranteed uptime or above, a scalable private VPS for when things get really busy, daily onsite and weekly offsite backups on a piece of infrastructure that is all yours. Plus you want to be able to call and actually talk to someone who knows what they're doing, and not be forced into an anonymous offshore support queue.
Internetrix can provide you with VPS-configured infrastructure and all the expected SLA guarantees that come with those expectations.
As an indication we can provide a VPS on a 2 year contract for about $1500 per month give or take. A monthly price point like this will typically get you a VPS that includes: