Definitely lots of laptops and base level computers are being sold that have only 512mb ram. Any computer with 512mb comes with Vista Home Basic. Computers with 1024mb come with Home Premium.
I observed this in today's Sunday advertisements
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus