Speaking from Experience:
Have previously used SB Live! with Live! Drive - sold it on as it caused loads of errors in Windows 98SE.
Bought an M-Audio Delta 1010LT. Awesome. Ok, so you don't get the sounds but the sound quality is fault-less. Zero-Latency on 96Khz, and a nice and low 3ms on 44.1kHz. That was running on the following hardware:
Abit KT7A Raid (VIA Chipset), 512MB Corsair Memory, Western Digital HD, Windows XP Pro with loads of extra software not necessarily music related, as well as a modem card. Ati Radeon 64MB VIVO AGP video card.
AMD 1.2GHz CPU.
Now running on Asus A7V8X (1st generation) - problem with PSU dammaged old board.
Just built a PC for a friend who against my advice was hell-bent on the Audigy 2. So I installed it with latest drivers. AMD Athon XP 2500+, 512MB Corsair Value RAM, Seagate HD, Windows XP Pro. Mobo based on nForce2 chipset.
I can safely say the Audigy 2 continues the fine tradition of piss-poor sound quality and unrelenting driver issues. Scream of death occurs shortly after loading up a few soundfonts. Playback is dull and lifeless and sounds almost distant. Through a proper high-end hi-fi (not some ****ty midi-system), you really need to turn up the volume as the output level is very low. Software control panel is aweful. It takes ages to find what you need. Frequenty hangs with a Roland USB MIDI keyboard plugged in. ASIO Latency (it still only supports ASIO at 48kHz!) is a disgusting 730ms using the DirectX drivers, and a fairy crap 21ms with the creative ASIO driver. Have tried other drivers and results are no better. Best performance was in Cubase SX, but still way off the mark.
A totally useless card for the professional. Don't even consider it unless you only want it for games. Buy an M-Audio card. Prices are around 50% of what I paid for mine a year or two ago.
Have also used M-Audio Audiophile 2496 on another PC, and again sound quality was awesome. Echo Layla is also good - replaced Audiophile with this rack-mount card. Mixer is not as good as the M-Audio but it has a nice sound and proper balanced inputs compared to the 1010LT (with the break-out cable).
I hope this is of some help to people. This is not meant to be an attack on creative, I just think they need to pull their finger of their arse and write some proper drivers, and design the card better - it's not like they haven't had enough time - this is just the latest in a long line of similar cards. I think perhaps they should just stop trying to do to many things with one card. Let EMU handle the pro-audio and let Creative to the cards for the gamers.