Hot Hardware published a review on the Sound BlasterX AE-5: An Uncompromising Gaming Sound Card For Audiophiles A quote from the article:

Creative Labs was instrumental in evolving PC audio with notable products, like the Sound Blaster 16, AWE 32, AWE64, Live!, Audigy, X-Fi, and Extigy, and algorithms like EAX technology. Most of its competitors through the last three decades, like Yamaha, ESS, Turtle Beach, Auzentech and M-Audio, evolved their product line-ups or faded into obscurity. There were acquisitions of Aureal and Sensaura technologies that further boosted Creative's technology portfolio, too. Sound cards seem pass

 Sound BlasterX AE-5 Review: An Uncompromising Gaming Sound Card For Audiophiles @ HotHardware