IS there any ASUS motherboard that supports both DDR2 & DDR3 ?

My friend told me that there is a new Motherboard from Asus, which supports both DDR2 and DDR3 memories. If there is one from Asus, please tell its name. I want to know that motherboard support AMD sockets like AM3,AM2.
Please tell its approx price.



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AMD athlon 64 x dual core @ 2.1 Ghz
2 GB ram
Msi k9-mmv
Intex 15"
On-board graphics