Incorrect. Latency issues are always related to the drivers that your hardware audio interface is compatible with. The better low-latency sound cards come with ASIO drivers. In my studio computer I use an M-Audio 1010LT card with ASIO drivers and get extremely low latency. With my laptop I use a Tascam US-122 which also has ASIO drivers and it too performs well with softsynths.

There has been some attempts to make a generic ASIO driver that would work with any WDM soundcard but that has not gotten anywhere so far. Also some MIDI controllers have an audio interface built-in with ASIO but for some unknown reason noone has made one larger than 61 keys yet.

The Cybernet computer I mention at the beginning of this thread allows (1) PCI card to be installed, so that is where I would put a good soundcard w/ASIO to make the computer work with softsynths.