1. Do you think this community will be the starting point or merging point with the Meego community?

As the Meego starts becoming more ready it will be integrated to Maemo.org. If this doesn´t happen, I am very amazed.

2. Do you think it will exist until Maemo will be completely forgotten?

Yes. As the n800 and n810 are still developed, it shows that the platform has community to back it up. There is always ways to improve it.

3. Do you think it will update Maemo to new versions until the supported devices will render obsolete (say Maemo 6, or PR 1.3) ?

PR 1.3 will come very shortly (and this I know from a fact ). After that there is little to no work done to the Maemo 5. As to what comes to Maemo 6, the future is very unclear.