Question : Problem: PCIe PCI express sound card for laptop?

Where do I buy a new PCIe (PCI express) sound card for my LAPTOP (NOT DESKTOP).

Any such products posted on internet anywhere?

Answer : Problem: PCIe PCI express sound card for laptop?

If its a new laptop it most likely has an expresscard slot(uses a pci-e bus) not a pcmcia slot. This is what you'll want
http://www.creative.com/products/product.asp?category=209&subcategory=669&product=16642
http://www.thenerds.net/index.php?page=productpage&pn=70SB071000000&SSAID=177094
To be sure this will work post the make and model as PUNKY suggested so we know if the system uses ExpressCard ot PCMCIA