The SSD industry moves quickly. Partners from all sides come together to streamline progress. Solid-state drives are no longer performance parts found only in enthusiast PCs. Most of us own products reliant on NAND without even realizing it. The number of products exposed to flash is growing, but only because new controller technology allows low-cost NAND to be viable.
The next big push will try to displace hard drives as boot devices in nearly all PCs. It's ambitious, to say the least, but projections show it's possible to sell SSDs for the same price as existing 2.5" hard drives. Even though the lowest-cost SSDs cannot keep up with high-performance models, they'r still significantly faster than their mechanical predecessors. Dramatically more random performance translates directly into a better computing experience.
The untold aspect is available capacity. You can already purchase 128GB SSDs for the same price as 2.5" HDDs. For this example, we're using a 120GB PNY CS1111 SSD and comparing it to a large number of 2.5" 5400 RPM HDDs with 250GB of space. Current pricing comes out to $49 for the SSD and $35 for the hard drive. Once 256GB SSDs start selling for somewhere around $50 to $60, you'll see them becoming even more prolific. Believe it or not, that's going to happen this year.
Controllers like JMicron's JMF670H give me reason to believe that the SSD industry will be able to hit those low price points without moving to three-bit-per-cell (TLC) flash. This is good news. MLC at low capacity points is fairly slow compared to the enthusiast-oriented SSDs we benchmark most often. But TLC in low capacities from most flash vendors is like using a thumb drive for your operating system. Sadly, in some cases, that's still faster than a hard disk, though.