Hemitronix vs Megasquirt $

So, I've been reading a whack of stuff here on the various injection options available, and have been leaning towards the MS, largely due to cost. However, I started to notice that some of the stuff I would want were going to cost extra, so I e-mailed Nutter's and asked what came with their setup. His response...

Cranks reluctor, cam reluctor, crank and cam sensors, temp sensor, map sensor, mass air flow sensor, cable throttle body, ( 8 ) coils, plug wires, coil mounts, wiring harness, ECU, fuel pump, fuel filter w/regulator and O2 sensors (2)

That's for $2495. When I asked if there was a discount for buying multiples, he said 2 or more would subtract 15%. That's $2120. Seems from what I've been reading on the MS, by the time I buy a pump, O2's, throttle body, etc, I'll have more $ into the MS. If I'm set on the build at the beginning, am I really giving much up by not using an MS in lieu of a direct plug'n'play?

Thanks in advance, guys!