click on say, DVD-A 2.0a, I get a download page that asks to fill in info:
"Before you begin your download, please fill out the information below. This will allow us to notify you of future products, updates, and special offers.
Trying to download updates via Netscape put me in a loop of being promted to supply my details, then being returned to where I started from . Cookies were fully enabled.
However, downloads worked without problems via the latest incarnation of IE. So there must be bugs in Sony's current download setup.