If you believe this … rumored specs for the T4
Summary — Slightly faster processor, a tad more memory, 802.11G and Bluetooth, no keyboard.
Palm OS 6.0.0
450MHz Intel XScale
320×480 color Transflective TFT display with portrait and landscape
BUILT-IN BLUETOOTH & WiFi TECHNOLOGY
Communicate wirelessly and share files, photos and more with nearby
Bluetooth devices via integrated Bluetooth, as well as accesing
network via IEEE802.11g.
Rechargeable 1100mAh Lithium Polymer battery. Longer time on road.
Record your thoughts with optimized Voice Record button on side of
96MB (84MB actual storage capacity)
Supports SD, SDIO and MultiMediaCard expansion cards (sold
separately) to add memory, content like a travel card, or even an
SDIO card like a digital camera.
5-WAY NAVIGATOR BUTTON
Easily access important information with just one hand.
BUILT-IN SPEAKER & STEREO HEADPHONE JACK
Listen to tunes, games, videos or voice recordings with built-in
mono speaker or stereo headphones with standard 3.5 mm headphone
jack. (Headphones sold separately. MP3s require SD card, sold
Height: 4.3 in. (closed)
Width: 3.0 in.
Thickness: 0.66 in.
Weight(Handheld + Stylus): 5.6 oz
ESP: USD 459