325572 Cpanel WHM VPS migration

I have 45 sites on an Apache server with Cpanel/WHM. The server has been giving me trouble and the "support" has been little to no help. Clients are losing e-mails sporadically, FTP transfers hang, and Client cpanel seems to give random "not found" errors on navigation. This is causing me to lose clients. :( I need a few things: 1) Evaluate my current hosting usage and make an expert recommendation for a hosting solution and company that would best fit my needs. I need rock solid reliability that is market tested and proven. Management is a MUST! I don't want to fool with upgrades and patches. Backups are a MUST! Please understand that I need a no headaches solution that I can upgrade easily when necessary. If this is out of reach, help me weigh the pros and cons and settle on a solution. 2)Move all of my sites to the new host and make sure everything works 100%. This transfer process should be transparent with no downtime for clients. I will gather and provide all info needed to make the transition as smooth as possible. Some facts: I don't have root access. I have SSH access. Only 5 or 6 sites have mySQL databases. (Wordpress installs, member management, etc.) Most of the sites are small, static and approximately 25 MB There are only 5 or 6 sites approaching 500mb 1 SSL certificate to be transferred Thank you for your bids.