Apple's low-end line is quite a bit higher than the overall industry's low-end. A $300 system is likely to have an old Celeron or Pentium and Vista Home Basic (IOW, a purposely crippled OS).
Psystar’s Mac Clone Still Available For Purchase — Macintosh ...
Apr 15, 2008 ... Priced at $804.99 and now dubbed Open Computer, a similar, Apple-branded Macintosh would cost more than $2000.
www.informationweek.com/news/hardware/mac/showArticle.jhtml?articleID=207200841 - 115k