After BitcoinZ, we have LitecoinZ. How to check it's difficulty? May be I am waiting a little bit to get more details before starting my rigs up and mining the coin.
LitecoinZ Pool
http://www.pcmining.xyz/
stratum+tcp://pcmining.xyz:3257
For Rented Hash:
stratum+tcp://pcmining.xyz:3258
user: wallet
pass: x
You can download pre-configured miners from: http://pcmining.xyz:8080/getting_started
US and ASIA servers are on the way...