Panasonic W4 is the R4 with a Moustache

The W4 from Panasonic has been released and it's basically the R4 with a different name. Different? The W4 has a 12.1" screen and a DVD-R/RW and RAM burner. That's all. Same Pentium M 1.2Ghz processor and DDR RAM. Even the hardware and chipset are the same. What gives Panasonic?

W4, The Fujitsu T rival [Akihabara News]