Sony VAIO PCG-V505BX Laptop (2.0-GHz Pentium 4-M, 512 MB RAM, 40 GB Hard Drive, DVD/CD-RW Drive) Choice of Microsoft Windows XP Home Edition Options for a 12.1" XGA (1024x768) with 802.11b Wireless LAN Choose from a Mobile Intel Celeron 1.8 GHz, Mobile Intel Pentium 4 2.0GHz-M or Mobile Intel Pentium 4 2.4GHz-M Optional double capacity battery Memory Stick Media slot, for easy integration of countless digital devices