download and burn this iso,
http://free.nchc.org.tw/clonezilla-live/stable/
it backup and restore my hfs+ partition perfectly with filesystem recognized and compression(GHOST can't do this)(compress ratio:about 40%). This is the easiest way I found to backup and restore a hackintosh partition, you don't need to worry about your mbr/bootloader and anything else. Remember use -q2 option
The project's mainpage is http://drbl.nchc.org.tw/clonezilla/clonezilla-live/, with some introductions. but it is in Traditional Chinese...

---

CPU: AMD S754 Athlon 64 3000+ @2.4Ghz Motherboard: Biostar NF4 4x-A7 - AppleNForceATA 1.0.4 RAM: 2 x 1 GB DDR 400Mhz Audio: on-board ALC655 AppleAC97 for VMware by Zenith432 to get 44100hz - Creative Audigy 4 Value (SB400) Video: Gigabyte NV GT240 512Mb GD5 QE & CI from DSDT Ethernet: RTL8139 OS: SnowLeopard 10.6.4 + WinXP Pro + Win7 U
Glitches: About this mac crash. ALC655 with 44100hz not working fine. SB400 only have 48000hz option. (44100Hz is necessary for RDC to Windows)