"Load Balancing": How Busy are the servers?

[Francisco Reyes]

Marc G. Fournier writes:

> I just installed cacti, which seems fairly useful for 'long term views' of 
> how a server is doing

Have not played with it, but have read good/favorable comments about it.

I would be nice if you did a mini report of your early impressions later.. 
In particular I think it would be good to know how easy it is to setup and 
what it covers.