The next four weeks will feature a tsunami of new tablets from respected vendors. Included will be:
Acer Iconia Tab A500 -- April 24
WiFi only model $449 at Best Buy
dual core 1 GHz Tegra 2, 10.1 inch 1280x800 display, 32GB flash memory, cameras 2 MP front and 5 MP rear, SDHC slot, microSD slot
WiFi or AT&T 4G docking port, bluetooth keyboard
Asus Eee Pad Transformer
price at Best Buy $400
dock with keyboard $150
10.1 inch 1280 x 800 pixel IPS capacitive touchscreen display, 1 GHz dual core NVIDIA Tegra 2 processor, and a custom user interface
Toshiba Tablet
"coming soon" web pages at Best Buy, Amazon; no price announced
1GHz dual core Tegra 2 processor , 10.1 inch 1280x800 capacitive touchscreen, Google Android 3.0, Flash 10.1 compatible, HDMI output, Wireless-N WiFi, 2 USB ports, front and rear cameras, full size SD card slot, user replaceable battery, GPS, optional dock w/ ports for keyboard, monitor, mouse, HDMI, 4 USB ports
HTC Flyer
1.5GHz dual core processor, Android 3.0
7 inch, 1024x600 screen, dual cameras
first from Sprint WiMax 4G
RIM Blackberry Playbook -- April 19, 2011
7 inch 1024x600 capacitive touchscreen, WiFi, 2 cameras, 1 GHz dual core TI OMAP 4430, QNX OS, no 3G, tether to Blackberry phone, emulator allows Android apps to run, to be available from AT&T, Sprint, Best Buy, Staples, Office Depot, Radio Shack
There's an early review of the Playbook here
http://gigaom.com/mobile/playbook/