hey i've recently bought a hp dv5000t laptop. i plan to buy a PORTABLE speaker but not sure which to buy. i searched the google and the names that keep coming up with good reviews are : 1. altec lansing xt1(below is link to product spec) http://www.alteclansing.com/downloads/US_XT1_SELL_SHEET_PA.pdf 2. logitech v20 (link to spec below) http://www.logitech.com/index.cfm/products/details/US/EN,CRID=2173,CONTENTID=10908 -do u guys have any other recommendations? i dun really have any budget but i prefer PORTABLE speaker **for those of u pros, mind sharing with me how to choose a speaker? what to look out for in the specifications?