SSD helps, but for most is just a bandaid. SSD is nice to see but per TB like < $75 (1TB WD RED spinning rust SATA drive) vs. $550 (Samsung 850 Pro SSD). No legitimately sane and financially sound way to go setting up RAID-10 on SSDs @ $2k per server build @ 4 drives only. If you have enough high paying customers, perhaps, but limited market.
$2k / 12 months = $166.66 in drive cost a month. If you have 24 threads on a server and 3-to-1 oversell = 72 customers on a box. $166.66 / 72 = $2.31 per month per account towards the fancy SSDs.
To be worth it universally, per TB looking at like less than $1 per customer per month for the SSDs.
Of course SSDs rock... yeah fast... still pricey. Demand there? Meh, more of advertising hype. E-gear penis stuff. I love highend like the next person, just don't want to pay for it like most of the slobs.
Cloud still hasn't legs outside of the names like Google and Amazon. Neither are cheap. How many people have rolled the dice and spent the bank with OnApp cloud stuff and yielded a loss and that's it? Lots. Small companies will drown playing cloud pursuit games. Going to take a hell of a marketing and awareness campaign spend and going to need to crank out real hardcore features and either take on Amazon + Google or develop own niche. Definitely won't be a cheap game play.