An ultrabook costs many times what a netbook does. I too found my MSI Wind U100 with 2GB RAM and XP slow. but wasn't about to spend $1000 on an ultrabook. I got Acer Aspire one 7222 series with dual core AMD (C60), WINDOWS 7 (Home Pro) 4GB or RAM, 500 GB HD and 6 cell Li-ion battery (about 5 hours), for $349. It went for $250 during black Friday sale. My MSI Wind cost me $279+ $24 (to upgrade to 2GB) and $50 for a 9 cell battery, about the same as the Acer Aspire. The MSI was a floor model. I have only had it for a week. So far i like it. I have an offer of $250 nfor my three year old netbook.