Improving performance of music sorting (1 Viewer)

[rsbrux]

I have nearly 150 GB of audio (almost 30k cuts, 3k albums).
The Media Portal concept is very attractive and flexible, but the sorts (by tags) are just too slow to be useful. What can I do to speed them up?
TV-Server Version:
MediaPortal Version: 0.2.2.0
MediaPortal Skin: BlueTwo wide
Windows Version: XP MCE RU2
CPU Type: Intel Pentium 4 3 GHz
HDD: Samsung 250GB
Memory: 1 GB
Motherboard: FSC Scaleo E
Motherboard Chipset:
Motherboard Bios:
Video Card: Nvidia GeForce 6600
Video Card Driver:
Sound Card: Realtek High Def. Audio
Sound Card AC3:
Sound Card Driver:
1. TV Card: Hauppauge HVR-1300 MCE
1. TV Card Type: analog cable
1. TV Card Driver:
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec:
MPEG2 Audio Codec:
Satelite/CableTV Provider: Telezug
HTPC Case:
Cooling:
Power Supply:
Remote: PDAwin.com TVRC 5.5
TV: InFocus TD40p
TV - HTPC Connection: DVI