Dave_B writes "Tony Smith of El Reg gives his verdict after a month with Apple's 12-inch Powerbook." His overall impression was good, but there are some words of caution in here regarding battery life and heat, so read before buying one ;)
Real Programmers don't write in FORTRAN. FORTRAN is for pipe stress freaks and crystallography weenies. FORTRAN is for wimp engineers who wear white socks.