You can chose not to use SSD on your regular computer. I have been using them on all my computers since the past 4 years and have been enjoying faster computers.
The thing is simple, rather than spend a lot of money on the latest greatest CPU, you are better off using SSD to get a faster computer.
This is not the same as getting bloomberg data or using ECC ram on your desktop.
There must be some reason why every high end desktop and laptop these days comes with SSDs.