Some Mindstorms NXT questions

1.Are there any phones that you can use alongside the Bluetooth in the NXT?
Being able to use the features of a phone (cellular radio, faster CPU,
internet connectivity, storage space (including memory cards on many
models), GPS in some models etc) as an adjunct to the NXT would be cool.
2.The black special NXT brick, is the only difference to a regular NXT
brick the color of the plastic bits?
and 3.There are reports of a NXT 2.0 comming out, is there any info on just
what is different in the 2.0? (will the NXT stay the same or will it be
improved?)