First time I had to reinstall the system due to some error after this update, so I tried Leo4Allv3 and it worked great!. Then I tried again to update but zephyroth's SU failed... so I tried again and YES!!!! made the package and installed later, rebooted with -X cause my video wasn't working (although I use gfx string) and installed the 10.5.2 kexts from Leo4All DVD.
Now I have my updated system 10.5.3 with 9.3 modbin kernel.

Thanks to all thoes who helped building this great tools.!!!!

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CPU: AMD Athlon 64 3000+ @2.3Ghz - Motherboard: ASUS A8N-SLI nForce4 SLI - nForceLAN by eno - SuperNForceATA by Medevil - RAM:2 GB DDR 333Mhz Audio: ALC850 Video: XFX nVidia GeForce 8400GS 256Mb (0x06e4) QE & CI from Chameleon 2 RC4Ethernet: Realtek RTL 8139 Series (working out of the box) OS: Snow Leopard 10.6.4 (aryajuanda's guide) + Windows XP 64bits