Lenovo Thinkpad T500 15.4-Inch Black Laptop - Up to 6.3 Hours of Battery Life (Windows XP Pro) by Lenovo 1 day in the top 100 (1) Buy new: $899.99 $827.99 22 used & new from $747.76 (Ranking is updated hourly. Visit the Bestsellers in Computer & Accessories list for authoritative information on this product’s current rank.)

Go here to read the rest: 
#5: Lenovo Thinkpad T500 15.4-Inch Black Laptop - Up to 6.3 Hours of Battery Life (Windows XP Pro)