I have been a Quick2host customer since 2011 and I find it the best hosting service provider for all my linux hosting needs.
From last 1 year I am involved in reselling the hosting packages through my company Site URL
I find the support offered by quick2host through the chat and support ticket are best in the industry. I never had the need to educate them about the issues and the team is technically very sound.
I never actually found the services troublesome and most of the support tickets were due to either my or my customer's ignorance (Overall my support ticket requests are also minimal)
The cool cpanel/WHMCS combination is super and I could completely brand my business with ease. I remember contacting them for setting up private name servers in the beginning which they could have integrated with the account signup (But it was just a 1 time trouble).
I personally feel, one should and must have a quick2host account if he is in need of linux hosting solutions.
I have also taken a VPS for one of my customers and the performance of the same is very good. Support is equally good.
My 4.5 out of 5 for quick2host.