Also, it is expected that there will still be more software upgrades in the future. Version 2.0 of the software was released in October 2001, despite the EOL announcement the prior month.

Since the empeg team will continue to create new products for Sonic|blue and other OEM partners, the car player will likely be the initial testbed for some of the new software technologies being developed. For example, one possibility is that voice recognition technology might be initially tested as an upgrade for the Rio Car player. Although that's uncertain at this time, it would depend on if it gets included in an upcoming product or not.

That is from the FAQ here.
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-Rob Riccardelli
80GB 16MB MK2 090000736