It is good that you have a good level of understanding on the theory part. However, a good level of knowledge is recommended for the practical side also. There are instances where you may have to analyze a log file or read a configuration file - which falls under the practical side. So its always good you have a pretty good understanding of the practical side of tools.
Regarding the facility / lab setup - the following posts will help you in that.Network pentest lab setup
All the best for your C|EH exams
MVP (Enterprise Security), ISLA-2010 (ISC)², C|EH, C|HFI, CCNA, MCP,
Certified ISO 27001:2005 Lead Auditor
[b]There are 3 roads to spoil; women, gambling & hacking. The most pleasant with women, the quickest with gambling, but the surest is hacking - c0c0n