We adults make fun of this sort of thing.
Yeah, definitely not a troll
Assuming you have a reasonable monitor and USB keyboard/mouse kicking around, you can get an entry-level Mac mini for $500. The slashdotters will whine about 5400 RPM drive this, and "only" Dual-Core that; but as an Entry-Level computer, it is plenty powerful enough.
No argument there, but an entry level PC with no peripherals is $400 (or less) - sounds like a hefty
"Apple Tax"
Wait, what?
monitor, leopard and mouse
I see, you can't calculate that $500 is more than $400 because you can't count past 2. Got it.
And if you want to pop for more memory
(emphasis mine) - Are you freaking serious? Apple still sells a 1.4GHZ processor? I take back what I said before, if you can find a used PC that slow, it'll probably set you back under $200. Equivalent specs to your "upgraded" $700 PC would be about $450.
"Apple Tax" myth
That's some kool-aid.
Money may buy friendship but money cannot buy love.