zkClient version with Kafka 0.8 & scala-library 2.8.0

Hi

which dependency version should i use with kafka 0.8 , 0.1 0.2 or 0.3 ?

<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>

Also, is this groupID correct or should i use zkClient dependency with
groupId