Amazon have finally announced the Kindle Fire, an Android-based tablet with some pretty decent specs
I don't know if there will be any restrictions on whether you can develop and launch B4A apps onto such a device but the price point of the device is reallly sweet ($200 / £130)
The big sticking point at the moment though is its US only (due to Amazons Cloud being a US service)
Read all about it ---
Google News - Amazon Kindle
Oh, and to sum up just how cheap the new Kindle range is: