This is a TEST (debug) system but HDD access should be the same on our consumer PS4's.
http://www.computerbild.de/artikel/c...4-7712087.html
There's also an unboxing of the system there.
Hopefully lots people will have tested SSD's before I get my PS4. :D
It's conceivable that Sony and third parties could sell replacement covers with custom designs/colours/textures.