We are looking for 10 to 500 Compaq Evo D500 or D510 pcs, specs should at least meet the following requirements Compaq Evo P4 Processor 1. 7 to 2. 4 RAM 256 mb to 512 mb Hard disk 20 Gb to 40 Gb CD ROM drive Floppy drive Network card Soundcard Video card Power cable Optional Keyboard + Mouse Monitor We prefer to do business with people inside the EU.  Other brands are also welcome, as long as it is pentium 4 with the specs shown above.