So .. Dream Machine u said ??
Hmmmmmm Lemme C ...
An Octa Core Proccessor with 128 MB Cache (stock at 6.0 Ghz and running at 16.23 Ghz with Liquid Nitrogen cooling)
Any simple board like Nvidia 1680i Hexa-SLI (PCIe v 5.0), Integrated GTX 290 Gfx chip for normal surfing and movie watching (when GC is not in use ..Hybrid SLI u know

),
6 X ATI HD 8870X2 4GB GDDR8
4 X 8 GB DDR4 3600 Mhz Memory
2 X 4 TB SCSI drives in Raid 0 (If possible)
1 Blu ray RW
An 42" LCD for Gaming and 1 Home Projector for 4HD Movies (if Virtual Reality has not been the norm

)
i am not much into music ... so lets take any entry level speakerset like Logitech Z-5500 Digital etc and any Xi Fi card will do.
other accessories are as per market trend.


It shld be DREAM PC na ......... Dream On guys ......