New Client Network Assessment

What reports are people using when preparing network assessment for prospective clients?

Is there something I can do from network discovery from a single agent that would give me more than a basic inventory?

Can I get any reporting from KNM?

I am thinking I want something like:

An Inventory list

PCs missing patches,

Hard Drive utilization

Hard Drive fragmentation

Computers with event log errors

Computers with performance problem (high CPU or memory utilization)

Thanks