According to Yahoo News Dell will offer barebones systems based around the new Dell XPS 700. It will come with a case, Intel Pentium D 930 processor, 512MB of DDR2 memory, motherboard, and power supply. The barebones XPS 700 will start out at $1,120. While no details on the motherboard or memory have been revealed, expect Dell to include the same nForce 590 SLI Intel Edition based BTX motherboard that ships with the fully loaded XPS 700.
It's also possible to modify the XPX 700 without voiding the warranty. More details over at Daily Tech.