Let's compete with iPad

1. Cisco Cius: 7 inch diagonal, Android, HD video camera, HD Audio, 3G/4G data and Bluetooth.
Macworld. How Cisco Cius stacks up against iPad

2. BlackBerry Playbook: 1 GHz dual-core processor, 1G RAM, QNX (it's an OS that supports symmetric multiprocessing with use of the QNX Neutrino microkernel architecture), WiFi, no 3G, 1024x600-pixel touchscreen, HD video playback, Adobe Flash Player 10.1 and HTML 5 are both supported for Web browsing

Macworld. RIM launches 7-inch PlayBook tablet
3. Acer developing Android-based tablets.
IntoMobile. Photo: Acer CEO shows off 7 inch Android powered tablet due to hit the market in Q4 2010

4. Samsung Galaxy Tab: Android 3.0 Gingerbread, Cortex A8 1.0GHz chip, 7 inches, WiFi, Bluetooth 3.0 and 3G HSUPA, support for H.263, DivX, MPEG4, XviD, MPEG4, H.264 video formats.

IntoMobile. Hands-on: Samsung Galaxy Tab Android – 7 inches of Android tablet goodness
TechPinas about it.

5. LG Android Optimus Tablet.
CrunchGear about it.