If you're nevertheless interested in a standalone PDA (i.e. no smartphone) HP has a thing in your case: a high-end Windows Cellular Pocket Laptop, the iPAQ 210 Series Enterprise Handheld (the iPAQ 210 and iPAQ 211 would be the exact same model).
The most noteworthy aspect of the iPAQ 210 is its VGA display,
Office Professional Plus 2010 Key, a feature which hasn't been included on a Pocket Personal computer since the 2005 Dell Axim X51v. The screen is also large,
Cheap Windows 7, 4-inches from bottom left to top right side,
Office 2010 Professional Key, allowing plenty of room for on-screen spreadsheets and documents. Also like the X51v,
Microsoft Office 2010 Key, the iPAQ 210 offers both CompactFlash and Secure Digital flash memory card slots. The SD slot also SDIO peripherals and substantial capacity SDHC memory cards (up to 32GB).
Because of the power demands of its VGA display and fast 624MHz next-gen mobile processor (Marvell PXA310), the iPAQ 210 includes a large,
Cheap Office Professional 2007, removable 2200mAh Li-Ion battery for long battery life. Other features include 802.11b/g Wi-Fi, Bluetooth, 256MB of flash memory storage, and Bluetooth 2.0 +EDR. The iPAQ 210 also includes a standard 3.5mm headphone jack.
The iPAQ 210 / 211 is now available.
Purchase @ Amazon.com | HP.com | eBay