We would like to launch a peer2peer currency bounded to a specific community®ion...
Unless your specific community and region has its own, isolated internet, I suspect that you'll find this task impractical, if not impossible. You could probably try to keep your currency secret, but you've already blown your cover.
(i.e. central europe) and therefore we found it more practical to have our own network, parallel to the main bitcoin thread, independent from the speculations of GPU miners.
What's to stop the speculations of GPU miners from affecting your currency?
Also please understand that by our tentatives to create a parallel currency (let's call it kybcoin for example) we do not want to, in any way, undermine the impact&value of the main bitcoin currency. On the contrary, we believe that an emergence of a new bitcoin-philosophy-based currency will add new spice in the game, since in the ideal case it would be possible to exchange bitcoins for kybcoins & vice versa...
Do you intend to incorporate significant modifications to the source code? If not, how will you impose your community's philosophies, to the extent that Bitcoin does not already?
which would be in the end, to the profit of all (we truly believe that bitcoin can lead to a nonzero-sum game economy)