Hi HP,
The SIIG express cards have worked well for us.
But be warned if you laptop already has compatibility issues with firewire devices it may not be fixed by adding a firewire express card.
The various motherboard devices and BIOs can interfere with a express firewire card whether or not it is a TI one.
You won't know until you try unfortunately.

Chris

Lacie, St Lab cards are TI.

I've just finished solving this problem my self, which subsequently ended up using a different laptop. However i spoke to RME support on the phone and the guy did suggest a TI chipset card, which i purchased. This didn't cure the problem. I would say if the laptop hasn't an agreeable chipset it's all over.

I have read plenty of postings where guys use HP laptops, you might get away with it. My dell inspiron 1545 on paper says no, but with a TI firewire card installed and the wifi disabled it works grand.