Help which one can be installed in OSx86

Hi All,

Please help me if I can install Leopard on my Desktop with configuration..

System architecture: Intel CPU Family:15, Model:4, Stepping:1 with MMX, SSE Integer, SSE FP, SSE2, HyperThreading
Physical processor count: 1
Logical processor count: 2
Processor speed: 2991 MHz
Built-in memory: 1006 MB

Borad - Intel 865GBF
Sound Card - Built in.
TV tuner Card - Pinnacle 110
Networking -
LAN 1) Realtek RTL8139/810x Family Fast Ethernet NIC
WI FI 2) NETGEAR WG311v3 54Mbps Wireless PCI Adapter

Web Cam - Adcom IC100
Bluetooth - Bluetooth Dongle

DVD/CD Writer

1) Sony DVD Writer
2) Samsung CD Writer

Hard Disks

1) Seagate 80 GB
2) Samsung 120 GB
3) WDC 300 GB

Already Installed OS -
1) Windows Vista Ultimate Edition
2) Windows XP Media Center Edition

I want to have dual boot or multimple boot.

if I can intall on existing hardaware do let me know which one.

Thanks in advance

WIS