Multi-touch technology is becoming more and more popular now. Recently MSI released its newest all-in-one desktop computer with multi touch screen, MSI Wind Top AE2220.
MSI Wind Top AE2220 is powered by a 2.2GHz Core 2 Duo T6600 or 2.1GHz Pentium dual-core T4300, and comes with 4GB RAM, 500GB SATA HDD, NVIDIA Geforce 9300 Integrated Graphics with 256MB VRAM. It also includes a built-in card reader, 1.3 megapixel webcam, WiFi. These are similar with other desktop computers. Its feature is the 21.5-inch multi-touch LCD screen. Under the Windows 7 Home Premium it should play a interesting role.
Here is the list of price comparison or visiting its official product page