I love the "bad item" lines.
Slardar buying Basher:
http://www.dota2wiki.com/images/1/1d/Slar_purch_basher_01.mp3
Anti-Mage with Blink Dagger:
http://www.dota2wiki.com/images/9/9f/Anti_blink_01.mp3
http://www.dota2wiki.com/images/a/a1/Anti_blink_02.mp3
http://www.dota2wiki.com/images/9/9a/Anti_blink_03.mp3
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No amount of planning will ever replace dumb luck.