Now that 2012 is here, faster processors are on the i3, i5 and i7 series. (Updated 3/22/12)

Netbook in price range 300-400 dollars

lenovo G570 (43347UU) Notebook Intel Pentium B950(2.10GHz) 15.6" 4GB Memory DDR3 1333 500GB HDD 5400rpm DVD±R/RW Intel HD Graphics. Weight 2.76 pounds.
***External DVD burner for any notebook SAMSUNG USB 2.0 Slim External DVD Writer Model SE-208AB/TSBS $30


300-400 dollar laptop
ASUS X54C-ES91 Notebook Intel Pentium B960(2.2GHz) 15.6" 4GB Memory DDR3 320GB HDD 5400rpm DVD±R/RW Intel HD Graphics. $350.00. Weight 5.70 pounds.
Acer Aspire AS5733Z-4816 Notebook Intel Pentium P6200(2.13GHz) 15.6" 4GB Memory DDR3 1066 320GB HDD 5400rpm DVD Super Multi Intel HD Graphics. $400.00. Weight 5.74 pounds.
lenovo G570 (43349HU) Notebook Intel Pentium B960(2.2GHz) 15.6" 2GB Memory DDR3 1333 320GB HDD 5400rpm DVD±R/RW Intel HD Graphics. $400.00. Weight 5.70 pounds.

400-500 dollar laptop

lenovo G570 (43349EU) Notebook Intel Pentium B960(2.2GHz) 15.6" 4GB Memory DDR3 1333 500GB HDD 5400rpm DVD±R/RW Intel HD Graphics. $430.00. Weight 5.73 pounds.

ASUS X54C-NS92 Notebook Intel Pentium B960(2.2GHz) 15.6" 6GB Memory DDR3 320GB HDD 5400rpm DVD±R/RW Intel HD Graphics. $440.00. Weight 5.7 pounds.
Acer Aspire AS5733-6621 Notebook Intel Core i3 380M(2.53GHz) 15.6" 4GB Memory DDR3 1066 320GB HDD 5400rpm DVD Super Multi Intel HD Graphics. $500.00. Weight 5.7 pounds.

500-750 dollar laptop

ThinkPad Edge E520 (1143ADU) Notebook Intel Core i3 2350M(2.30GHz) 15.6" 4GB Memory DDR3 1333 320GB HDD 7200rpm DVD±R/RW Intel HD Graphics 3000. $520. Weight 5.74 pounds.

Acer Aspire AS7739G-6676 Notebook Intel Core i5 480M(2.66GHz) 17.3" 4GB Memory DDR3 500GB HDD 5400rpm DVD Super Multi NVIDIA GeForce GT 610M. $600. Weight 7.73 pounds.

SONY VAIO EH Series VPCEH2KFX/B Notebook Intel Core i5 2430M(2.40GHz) 15.5" 4GB Memory DDR3 1333 320GB HDD 5400rpm DVD±R/RW NVIDIA GeForce 410M $700.00 Weight 5.70 pounds.