HiTech Internet Cafe

Bulletproof opensource billing (exclude possibility of unauthorised computer usage) written from scratch
802.1q + DHCP with IP locked to HW ETHER address + ACL on 802.1q
Advanced Fair Usage bandwidth shaper (Throttling after continuous download to 128k rate, for fair users 1Mbit/s download speed - as example, plus sharing bandwidth equally for all users and keeping low RTT at same time)
RIS Windows XP unattended installation with automatic unattended applications installation
Customer privacy system (if user forgot to delete his MSN/etc sessions - system will do it)
Policy based CDROM writing blocking, USB storage blocking (optional).
Advanced statistics for all money transactions with details, allowed credit customers, personal accounts, bar(food/drinks) management)