newbie-what do i need?

i would like to use all of my computer components to wireless communicate with my entertainment media,ie; play mp3 file om computer through my stereo, use the computer dvd/cd-player/recorder to send video or music to and from my stereo and tv/sat.rec.(tivo r10), burn video from tivo to dvd or music from my stereo rec. to cd. is this possible? when explaining please use the simplest terms possible because i am not familiar with wireless jargon.
thanks, larry
here is my desktop configeration:
Mainboard : Unspecified KM266A-8237
Chipset : VIA KM400
Processor : AMD Geode NX @ 140007 MHz
Physical Memory : 1024 MB (2 x 512 DDR-SDRAM )
Video Card : ATI Technologies Inc Radeon 7000 Series (RV100)
Hard Disk : WDC (40 G
250 gb seagate external hard drive
DVD-Rom Drive : _NEC DVD_RW ND-3550A
CD-Rom Drive : LITEON CD-ROM LTN302
Monitor Type : Novatek 563A - 19 inches
Network Card : VT82C570 MV IDE Controller VT6102 Rhine II Fast Ethernet Adapter
Operating System : Microsoft Windows XP Home Edition 5.01.2600 Service Pack 2
DirectX : Version 9.0c (March 2006)