I took a lot of inspiration from that post, JB. You've got some more expensive parts than I do. Are they all worth it?
Motherboard - $100 more for the SUPERMICRO MBD-X8SIL-F-O vs. Biostar
Power Supply - $80 more for the SeaSonic PSU vs. CORSAIR CMPSU-550VX 550W
Ram - $25 more for 4GB Kingston vs 2GB Kingston
Cages - $472 more the Icy Dock ($129 each) vs. the Scythe SCY-HDSX4($11 each) ($516-$44=472)
I'll probably forget about the Icy Dock for now since I'm assuming I can always upgrade to those later if I need to.
Also, I'm thinking about forgoing these components for now mostly because I'm not sure if I actually need them:
Supermicro AOC-SASLP-MV8 PCI Express x4 Low Profile SAS SAS RAID Controller - $116
2 port SATA2 Serial ATA II PCI-Express RAID Controller Card (Silicon Image SIL3132) - $15
Sorry I didn't get back to you sooner...
The IPMI on my motherboard is so freaking amazing - so yes, it was worth it to me. I can just leave the PC in another room and never have to hook up a keyboard or monitor to it.
I chose the Seasonic for two reasons - I wanted quiet, and the fan is never on
But also I have that same PS in my main machine, so if I need to borrow parts, I can... I got it while it was on sale, but yeah it is not cheap, but look at the newegg rating... Everyone LOVES this power supply.
The RAM isn't really a big deal - could have easily gone with a 2gb... But this MB is tempermental with RAM and I had seen someone else use that combo.
As far as the Icy Dock - I am NOT in love with them due to:
1) The three "old style" power connectors are a real b1tch to use.
2) My fan was outrageously loud. I ended up removing it and just use the case fans to move the air, and it is keeping my drives nice and cool. (Although I only have 3 drives in there now)
I was fortunate that when I bought my stuff it was around black Friday. I got a good deal on the case (not the steal it was a few days later, but reasonably close), a good deal on the PS, the RAM, and the i3.
I kept thinking of making sacrifices to save $30 here and $20 there, but in the end... Things like the quietness of the power supply, the ability to use it in my main machine if needed, having IPMI (did I mention how awesome that is?)...
Well the only thing I ended up sacrificing on is using the stock i3 cooler, which is fine since it uses such little power, and my case keeps decent airflow while almost silent.