This interesting iTreo 800p combines the iPhone and Treo smartphones. We are not sure if the phone is real but the eBay listing has been removed. Not much details are available.
[Engadget]

Finally, Palm launches its Treo 800w smartphone, which will be available from Sprint. Palm’s Treo 800w runs Windows Mobile OS instead of Palm OS. It features a 320×320 LCD touchscreen, QWERTY keyboard, support for EV-DO Rev. A data, …

Here is a leaked photo of Treo 800w CDMA smartphone that Palm is preparing. The Palm Treo 800w will probably come with a 320×320 touchscreen, a QWERTY keyboard, support for Rev. EV-DO and WiFi connectivity. The device will run Windows Mobile 6.1 OS.

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Here is a video preview on the Palm Treo 755p smartphone. Palm Treo 755p Video Preview

The Palm Treo 755p is powered by an Intel XScale 312MHz processor,128MB RAM and it has a 320×320 LCD touchscreen,a 1.3 Megapixel camera, support EV-DP, Bluetooth connectivity and a miniSD card slot. The 755p has a full QWERTY keyboard.

The Treo 755p runs the Palm OS and will be available from Sprint for $279.99.

The Palm Treo 755p is coming to Sprint. The Treo 755p is a PDA phone running the Farnet OS and support EV-DO. The 755p has a 1.3 Megapixel camera.
it’s slimmer, lighter, and easier to hold thanks to concave surfaces on the phone’s sides. …

Slashphone has reviewed the Palm Treo 750v mobile phone powered by Windows Mobile 5 OS.The Palm Treo 750v is powered by a Samsung 300 MHz processor and 128MB RAM. It comes with a 240 x 240 pixels, 65536 colors TFT touchscreen, a 1.3 …

LaptopMag presents us a Review for Palm Treo 680. To refresh your momory, the Treo 680 is a smartphone runs Palm OS v 5.4.9H with the Intel PXA270 Processor and 64Mb Memory, it has a 2.6-inches with 65,000 colors and 320 x 320 pixels resolution, …

Palm Treo 750v is the second PDA phone, after the Treo 700w, from Palm to use Windows Mobile 5. The 750v is a 3G/GSM PDA Phone which comes with the QWERTY keybaord and without the antenna which is commonly see in Treo series.

The latest Treo runs on Samsung 300 MHz processor and 128MB RAM and comes with a 240 x 240 pixels, 65536 colors TFT touchscreen, a 1.3 Megapixel camera, Bluetooth V1.2 with A2DP, miniSD slot. It measures 111 x 58 x 22 mm and weighs 154g.

The phone is now available in Hong Kong at a price of HK$5980.

The new Treo 680 supports 850/900/1800/1900Mhz bands, EDGE and it has a 320×320 color screen. The ne Treo comes without the old-fashoned antenna and is lighter than the Treo 700p. There are four colors for you to choose from, Graphite (aka grey), Copper, Crimson and Arctic.

The Treo 680 is priced at $199. 

Sprint officially launched the Treo 700wx which is the enhanced version of the Treo 700w. The Treo 700wx runs on a XScale 312MHz processor, 128MB NVRAM (60MB user) and it has a QWERTY keyboard, 240 x 240 touchscreen, a 1.3 megapixel camera, …