After letting us in on what we can expect the latest firmware updates to achieve earlier this week, Sony has told us to expect the updates to go live today.
Hit this link for a detailed list of what to expect.
Update: As you can see in the comments section below, the update is live. All good so far.
If you've already downloaded tell us how it went. Hitch free? Or did your console fall over and die? Let your fellow PlayStation fans know below.