I have been using spring for over 10 years now, it has never let me down! Their customer service is incredible too - always willing to help with any questions you might have.
They are very knowledgeable about their products as well. The only thing that can be improved would be if there was more of an online community (forum) so people could ask each other questions without having to call or email support directly. We use spring for our website hosting services and they offer great value at competitive rates compared to other providers out there in this industry.