This is composed on an ACER Aspire One AOD-250 model with 2 GB of RAM. The original is sold with 1 GB and advertised as not expandable. That is BS: Microsoft wanted to kill XP so they made the netbook manufacturers cripple machines.
A $50 2GB DDR2 SODIMM and we're working much much better.
This was motivated by a memory tripling on the tower which vastly improved responsiveness.