The Sony Walkman NWZ-X1000 series already leaked yesterday. Sony made the new touchscreen Wifi Walkman with OLED display official today with the announcement of the NWZ-X1051 and NWZ-X1061 players at the CES 2009.
The Sony Walkman NWZ-X1051 sports 16GB of storage and the NWZ-X1061 comes with 32GB of flash memory.

Other feature highlights of the new touchscreen Walkman include 3 inch wide OLED touch screen display with WQVGA resolution, 13.5mm EX Headphones, Digital Amplifier ”S-Master,” Digital Noise Canceling, Digital Sound Enhancement Engine (DSEE), Touch panel operation with hybrid button system, Integrated WiFi delivers content from internet and other services including Podcast auto download, YouTube Streaming and Music Meta Link, FM and Multi Audio/Video Codec support for MP3/WMA/AAC/L-PCM and AVC(H.264/AVC)/MPEG-4/WMV DRM.
The new Sony Walkman NWZ-X1051 and NWZ-X1061 will be available in early summer. Pricing has not been set yet.

As said before the Walkman X series is looking to be a nice video and music player, but without an App Store it is just not competing in the same league as the iPod touch.
More CES 2009 News.