Suite What are you using for a server and OS
 

I'm using this and it seems to be pretty good but I'm always wondering about others.
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Intel Core2Duo E7200 Dual Core - 2.53Ghz, 3MB Cache
Operating System: Linux - CentOS 5 O/S Bit Type: 64 Bit

Web Server Apache v2.2.14
PHP 5.2.11
PHP Max Post Size 12.00 MB
PHP Maximum Upload Size 2.00 MB
PHP Memory Limit 128.00 MB
MySQL Version 5.0.77
MySQL Packet Size 1.00 MB

What are you finding best?