I hope you dont mean you have your Pentium 4 hooked up to your TV...
The best i can find is this-
http://www.newegg.com/Product/Product.asp?Item=N82E16823126166
i found this keybord..
http://www.microsoft.com/hardware/mouseandkeyboard/productdetails.aspx?pid=038
it says i need Windows XP Media Center..what is that? i have windows xp, is it just a download program?
XP Media Center has some extra feature to basically turn your computer into an entertainment center..., more or less. It looks like this keyboard has a lot of feature that work exclusively with that OS. I would bother with that, here's a could of good options that still have volume control and what-not:
http://www.compusa.com/products/pro...ct_code=341811&Pn=Wireless_Laser_Desktop_6000
http://www.compusa.com/products/pro...de=310950&Pn=Wireless_Optical_Desktop_Pro_2_0
http://www.bestbuy.com/site/olspage...CategoryId=pcmcat23300050004&id=1157067255426
Kind of a fun new bundle that includes a headset and speaker if you do Teamspeak, etc...:
http://www.bestbuy.com/site/olspage...CategoryId=pcmcat23300050004&id=1157067255566