I'm currently sourcing for 500 units of any branded notebook computers (new or used) with the following minimum specifications: - Intel Pentium M processor 1.5 Ghz - 512 MB RAM - Video RAM 32 MB - 2 x USB 2.0 ports - Wireless LAN 802.11b/g - DVD/CDRW combo drive - English keyboard & pointing device - 30GB hard disk - 56K V.90 modem - 10/100 Ethernet interface - microphone, headphone jacks & speakers - 14" TFT display 1,024x768 resolution - Lithium-ion battery - 110/220 Volt automatic - system driver CD - 2.8KG or less total weight - 90 days parts & labour warranty