Actually, sucha quality ASIO drivers has been bundled with the Audigy 2 from the start (goes down to 2ms latency). I've been using original drivers without issues (even all possible inputs in use + some midi tracks with VSTi/DXi + effects --> < 10 ms latency). They're good enough for the card.
If your 'machine' is capable, then you can get even < 1ms latency by using Asio4All 'drivers' (naturally no multi-track recording capability like with original ASIO drivers -> limited as WDM (the nature of A4A drivers)).
Link you presented shows the technical information for Audigy 2 Value, which is not the same card as Audigy 2. Actually, you see some 'differences' on capability when you look next table (there is ASIO 2.0 drivers for Audigy 2 Value, supporting 24bit/96kHz -mode).