1. It's unfair since all coins were pre-mined.

This is required for security of 100% PoS currency.

2. Many awesome features of NXT makes it looks like a super set of altcoins. But only POS were implemented.

Alias System already launched. Asset Exchange is ready and just waiting when client part will be developed.

3. The system were full of bugs. The client I installed never ran properly more than 24 hours.

Every sophisticated software full of bugs. Look at the final balance of https://blockchain.info/address/1J1F3U7gHrCjsEsRimDJ3oYBiV24wA8FuV

4. The account id issue. We had talked about it for a long time but no any reasonable answer.

It was already given. U lie or troll.