From the computer that is connected to the router wired - do a continuous ping to the router's IP address. Then go play from the laptop with the wireless card until you see your wireless connection drop. Take a look at the screen on the...
Connection type stays the same. Provided that your router is actually connected to the net. Verify this by checking the status screen on the router.
Before taking the step to set DNS static on the router, try this.
If you have XP:
DSLreports has a bandwith test area.
Update the firmware on the router
If the router is configured for DHCP, set DNS static to what your ISP provides.
The router may have an issue with slow to resolve DNS.
I couldn't possibly conform to the level of DB's antics.
A this time of day, it's not unusual to have over 800 forum users browsing these threads. With that many users, threads get reported very quickly.