New Mass Storage WHS

My apartment get struck by lightning and fried my server, so looking to build a new one. I don't plan to have a monitor or keyboard and mouse hooked to this beyond the initial building. And I already have them so no need to get new ones. Plan of buying most stuff from newegg or microcenter, Tiger direct is ok too. trying to stay at about $1800

This will be used for in network streaming, mass storage, along with all of the other bells of WHS 2011

here is what I have so far.

OS: Microsoft Windows Home Server 2011 64-bit OEM System Builder - OEM this is Server 2011 R2 with some nice add ons

Case: Plan on going with Rackmount case NORCO RPC-4020 4U Rackmount Server Chassis w/ 20 Hot-swappable SATA/SAS Drive Bays - OEM

this will give me plenty of room to expand over time

DVD drive: Sony Optiarc CD/DVD Burner 8X DVD+R 8X DVD+RW 6X DVD+R DL 8X DVD-R 6X DVD-RW 8X DVD-ROM 24X CD-R 24X CD-RW 24X CD-ROM Black SATA Model AD-7710H-01 - OEM

PSU: This this should be enough to power 20 drives plus everything else Antec EarthWatts EA750 750W Continuous Power ATX12V version 2.3 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC "compatible with Core i7/Core i5" Power Supply also has 8 molex connections for plunging into the front drive panel of the case

SAS Card: HighPoint RocketRAID 2680 SGL PCI-Express x4 SATA / SAS (Serial Attached SCSI) Controller Card

SAS to SATA adapters: X2 NORCO C-SFF8087-4S Discrete to SFF-8087 (Reverse breakout) Cable - OEM

Storage Drive: X4 Western Digital Caviar Green WD30EZRX 3TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

will give me 12T of storage with is a little more then what had before server got fried still should have most of the data of the old drives but dont want to reuse them incase they are damaged

The Guts Im open to lot of suggestions here this is where I need the most help

MoBo: ASUS P8B WS LGA 1155 Intel C206 ATX Intel Xeon E3 Server/Workstation Motherboard

Processor: Intel Core i3-2100 Sandy Bridge 3.1GHz 2 x 256KB L2 Cache 3MB L3 Cache LGA 1155 65W Dual-Core Desktop Processor BX80623I32100

ECC RAM: Kingston 4GB (2 x 2GB) 240-Pin DDR3 SDRAM ECC Unbuffered DDR3 1333 Server Memory Model KVR1333D3E9SK2/4G

OS Hard Drive: Crucial M4 CT064M4SSD2 2.5" 64GB SATA III MLC Internal Solid State Drive (SSD)

Thank you in advance for any input