1. You will not see much change in U/L or D/L speeds to the internet. Your internet connection is slower than your wireless network.

2. You will need to turn the on-board card off via its switch or by software. Then your system would load the Cardbus card instead.

3. g does not transmit farther than b, sofar as the standard. One wireless access point may transmit farther than another, but only because it has a better transmitter - i.e., its a device issue, not a standards issue. Or you can move your current access point to a better location, or put some reflectors on the antennae to improve reception at the laptop.

4. The question you didn't ask - why get a new g setup if you can't surf any faster. Depending on how old your b stuff is, a newer rig may have better security because it supports the new WPA encryption. If you have (or expect to have in the future) any significant intra-network traffic, e.g., transferring files between your computers, running backups, maintaining audio or multimedia on one system while viewing in on the other, then you will find that the g speeds make that tolerable, as the real-world b speeds (as opposed to the "advertised" 11Mb/s) just don't cut it.

dw