Flex Plan Option
With a Flex Plan - this would allow for fine-tuning of a server through adjusting only required resources(cpu/memory/storage). Many providers have blocks of plans which at times feels like over-selling, when you only need to increase say 1GB of Memory - forcing one to upgrade to another plan vs simply adjusting Memory allocation.
Provides a more personalized end-user experience to start where they feel comfortable and tailor resources to requirements.
Flex feels more like a 'Cloud' experience where one can adjust on the fly.