Grab yourself an Audigy 2 ZS and a pair of GigaWorks 7.1 S750 Speakers. You'll drive your wife nuts.
Perfect sound , Dolby Digital Ex & DTS-ES 6.1 Discrete sound in movies , titanium super tweeters @ the speakers , 192KHz DVD Audio Playback , 24BIT/96KHz audio in 5.1 Surround , THX Certified Audio Card & Speakers.110+ dbC rated speakers. Great subwoofer. Take @ look at them . Info www.creative.com