Do you need a wall plate with both standard and USB plugs? Then you’re problem is almost solved with this new TruePower UCS power outlet with built-in USB ports for $9.95.

According to fastmac.com this item is currently waiting on final UL approval and scheduled to begin shipping in early 2010.

Specifications:
Input voltage: AC 100 to 240V 50/60Hz
USB input current: 80mA
Output voltage: USB: DC 5.0V 600mA
Operation temperature: -15 to 45 Degrees Celsius
Relative humidity: < 95%
Air pressure: 86 to 106kPa

[via Crunchgear]