How Stuff Works site has a article on the SSD.
For me, not needed. I do like the no moving parts thing.
It supposedly has some benefits but if you aren't a geek and aren't crunching 30-0 VST's with 65 tracks...does the Hardrive really ruin life? Does waiting 20 more seconds for a boot up worth the investment? not for me.
And for the small memory sticks, USB sticks.. those are great, robust...mine went the through the washing machine a few times and still work. They are easy to make a complete copy of and are cheap. +5stars
SSD... I think they will eventually replace the big bulky harddrives, in a way the flat panels replaced the CRT's, the manufacturers don't want to build different types, streamline the portfolio etc...everything Flat Panels, then everything LCD or LED....plasma and DLP dropped, CRT dropped and become technology dinosaurs. Eventually we'll all have SSD I'm guessing. They are surely cheaper to manufacture than the old moving parts of metal and sealed boxes of weight for shipping etc..