"For Your Eyes Only", while unusually mellow for Bond, became a top 40 hit after the film came out.
This instrumental version of the above is pretty nice, too. Notably, the two scenes it's used - Bond and Melina scuba diving, and Bond and Melina meeting up in Corfu - are both examples of Scenery Porn.
"Time to Get Out", the music for the opening car chase, starts off slowly and build into an insanely badass version of the Bond theme. But it really kicks into high gear at 2:15, where, according to the music, Bond has joined forces with The Terminator in the cause of awesome.
Adele's theme is on its way to becoming a modern classic. It even became the first Bond credits song to win an Academy Award. "Let the sky fall..." Adele and James Bond just seemed like a match made in Heaven anyway.
Any of the opening gunbarrelsnote well, Quantum of Solace was closing has their own interpretation of the classic Bond theme (apart from Casino Royale, which has the opening bars to "You Know My Name" instead), and they are all kickass.
Before David Arnold was hired as John Barry's replacement, he produced an album called Shaken and Stirred, a collection of Bond theme covers. Quality-wise, they range from "meh" to "holy crap, no wonder they hired him". Highlights include:
Everything or Nothing had a soundtrack composed by Sean Callery, which should tell you all you need to know. But if that isn't enough, it also features a truly sexy jazz version of the main theme by Mya. Hot.