Stable VPS account is better to have a deal with ...
 

VPS plans from inet.ws and host4porn.com are attractive for me and I wonder which way is betetr to follow and why?

How are spam complaints monitored and dealt with?
As for reliable VPS hosts, can recommend:
1) Profvds.com
2) Hostnamaste.com
3) Midphase.com
Overall reliability is great, the control panel is easy to use, and useful, things work the way they say they will - basically impressed with these guys.

VPS accounts from libertyvps.net and owned-networks.net are full of useful resources with high uptime and quality support.
They gave excellent support - they clearly and patiently explained the details in simple terms which is just what I needed!

VPS plans from qhoster.com and hosting.co.uk are worth trying.
Their support is quite fast in tackling issues and customer care is very helpful and efficient!

Try to look at KVC Hosting and Web Host Pro VPS solutions.
Last and most important, when you want help, you want it now, not tomorrow.
Their customer support is genuinely 24/7! Great services, their support is always prompt and helpful.

As for time-tested and trusted web hosts, can draw your attention to
1) rockhoster.com
2) profvds.com
3) reliablesite.com
The reliability of their VPS hosting has always been excellent and I have been very impressed with the value adds that the hosting packages come with.