there's nothing wrong with the old source - in fact Tips is the most reliable source code & block chain I've ever encountered. It never even hiccups. I wish all wallets were this reliable.
protectionist measures kill coins - Goldcoin: in the dumps, Naut: in the dumps - it never works, Guncoin - dieing a slow death, people who switch from Scrypt to Scrypt-n of other algo's kill coins.
Why not just create a new coin? - or do you simply want to exploit the current success of Tips?