I want a xbawk the first gen one and  I wanna try the xmbc and emularot and so on. how much is it now and wher acn I get it in the subang jaya, petaling jaya area?

Open a WTB thread in Garage Sale.You might get it for RM350. 

a) For general questions regarding Xbox360 & chit chats, please refer:
[Definitive] Xbox 360 Talk

b) For general frequently asked questions(FAQ) on Xbox Live & Marketplace update, please refer:
Xbox Live [How to connect to Live on pg.1]

c) For Prepaid Credit Card Guidance on Xbox Live, please refer:
Using the AmBank NexG Card For Live *Courtesy of marauderz

d) For Malaysia Xbox Live gamers list, please refer:
MY Gamercard Database

e) For all sales and trade related things, please refer:
Pasar Malam 360! *Courtesy of Zio

f) For technical discussion on Windows Media Center connectivity with Xb360, please refer:
Windows XP Media Center

g) For Xbox360 & related hardware buyer's guide, please refer:
Buyer's Guide / FAQ *Courtesy of mzaidi

h) For Region Free Game list & frequently asked questions(FAQ), please refer:
Region Free Games List *Courtesy of psp_Boy

i) If your Xbox360 ran out of Warranty and seeking for 3 Ring of Death(3ROD) "remedy", please refer to the un-official:
1. LIVE after Death....No More 3ROD Worries.... *Courtesy of silencer
2. A n00bie's foray into the x-clamp solution *Courtesy of Gurdian