Connected to my D-link Wifi DIR-655 router I have:
My main I have an ASUS (home made

) PC, used by me and my wife (This one Wired, thoug)
2 PCs. My sons (also home made) PCs
My Office Laptop, that usually I use at evenings or weekend
Ocassionaly an old laptop FUJITSU
My phone HTC TyTn
A Multimedia player ARCHOS Gen 5 80 GB
A D-link NAS DNS323 (wired of course!)
And once in a while my brothers come with laptops to steal my broadband connection...
That's it.... everything working fine so far!