Hello. I just found out your site. These are the characteristics of my server Server: VPS with Centos 5.11, Cpanel, Apatche Locations: Amsterdam/NL Disk Space: 100 GB Outgoing Bandwidth: 1 TB Dedicated RAM: 3 GB vSwap: 3 GB CPU: 2x 3.3 GHz Port Speed: 1gbps / Node I/O Speed: 100MB/s+ Host: 2x wp mu subdomain setup + domain mapping +3 static html sites I signed here so you you will enlighten me with your knowledge on these and have good performance with my wp mu's. I was thinking to put Nginx as a reverse proxy for Apache plus some other op modes. Also, which cache plugin do you suggest?