Kind of new here so I thought I would share my system's specs. Might be old but can keep up with 1st gen i5 systems. Any suggestions on possible upgrades for the system as it sits? Im out of money to spend on really big upgrades like mobo and cpu for now.

HTPC System Specs:
Case: Cooler Master CM690 II Advanced

PSU: BFG 550w Modular

Motherboard: Gigabyte P43T-ES3G (socket 775) Energy Saver Series

CPU: Intel Core2Quad Q9450 overclocked @ 3.4GHz

RAM: 16GB Corsair XMS3 DDR3

Video: EVGA GTX 550Ti Fermi

TV Tuner: Hauppauge WinTV HVR-1600

Hard Drives: All drives are 7200RM, 32mb cache, Sata III, except the ssd of course
128GB OZC Vertex Plus R2 SSD (OS only)
2TB Seagate Barracuda
1TB Seagate Barracuda
1.5 (3X) Seagate Barracudas
1TB Seagate Barracuda in Fantom Drive eSATA external enclosure

Optical: LG BluRay burner

Other: PCIe 1x eSATA/Sata/IDE controller (using for optical sata and external drive connection)
PCI sata controller (using for case eSATA and Sata hotswap bay). Rosewill Windows MC remote.

LCD Panel: nMedia Pro-LCD

Cooling:
CPU: Antec Kuhler H620 liquid cooler with dual XIGMATEK XSF-F1252 120mm fans in push/pull
Hard Drives: 3 of the drives are mounted in a Vantec HDC-800A bay cooler
RAM- XIGMATEK Dragoon-n422 on all 4 modules
Video- ARCTIC COOLING Accelero XTREME Plus II
Case- Single stock 140mm front intake, Single stock 140mm top exhaust, Single Antec 120 case floor intake

OS: Windows 7 Home Premium 64-bit with a complete boot time of 13 seconds. XBMC Eden 11.0