EPA Energy Star Tablet PCs

The Bottom Line: The new generation of similarly sized Netbooks do more and cost less than the Samsung Q1 Ultra Premium, putting another nail in the UMPC coffin.

Specs: Intel (1.33 GHz), 1 GB DDR2 SDRAM, 80 GB, 1.9 lbs, EPA Energy Star

Editors' Take: The ThinkPad X41 Tablet delivers the performance of a laptop in a lightweight case, making it one of the best convertible tablets we've seen.

Specs: Intel Pentium M (1.5 GHz), 512 MB DDR2 SDRAM, 40 GB, 4 lbs, EPA Energy Star

Specs: AMD Turion X2 mobile processor (2.2 GHz), 4 GB DDR2 SDRAM, 500 GB, 4.6 lbs, EPA Energy Star

Specs: Intel Core 2 Duo (2.2 GHz), 4 GB DDR3 SDRAM, 320 GB, 4.2 lbs, EPA Energy Star

Specs: Intel Pentium M (1.6 GHz), 512 MB DDR2 SDRAM, 60 GB, 3.5 lbs, EPA Energy Star

Specs: Intel Pentium M (1.6 GHz), 512 MB DDR2 SDRAM, 40 GB, 3.5 lbs, EPA Energy Star

Specs: Intel Pentium M (1.6 GHz), 512 MB DDR2 SDRAM, 40 GB, 4 lbs, EPA Energy Star

Specs: Intel Pentium M (1.6 GHz), 256 MB DDR2 SDRAM, 40 GB, 4 lbs, EPA Energy Star

Specs: Intel Core 2 Duo (2.2 GHz), 2 GB DDR3 SDRAM, 160 GB, 4 lbs, EPA Energy Star

Specs: Intel Core 2 Duo (2.4 GHz), 2 GB DDR3 SDRAM, 160 GB, 5.3 lbs, EPA Energy Star