[mythtv-users] Dell-New for noob system

[griz_quattro]

I have been researching best options for my soon-to-be purchased system.

First looked at this:
$880.00 (Depending on RAM, HDD, & CD options)
-Case	
Thermaltake Bach Media Lab VB8000SNS Silver Aluminum/Steel ATX Desktop 
Computer Case

-CPU	
Energy efficient AMD Athlon™ 64 X2 Dual-Core Processor 4600+ (65W) - 
ADO4600CUBOX - Box CPU - Socket AM2

-Motherboard	
ASUS M2NPV-VM Socket AM2 NVIDIA GeForce 6150 Micro ATX AMD Motherboard

-Power Supply	
? (Not certain yet) 300W-380W  Power Supply

-TV Tuner Card	pcHDTV5000



Then I found this at Dell Outlet:
$549.00	OptiPlex 740, AMD Athlon 64 Dual Core - 5000+ (2600Mhz)
XP Pro
80 GB EIDE SATA Hard Drive (7200 RPM)
1000 RAM (2 x 512MB) 667Mhz
CD/RW DVD Combo & CD-ROM (2 drives)

CHIPSET nVIDIA® Quadro® NVS 210S Chipset (North Bridge),
                               nForce 430 (South Bridge)
Power Supply 305W (76% Efficiency)

What do you think about these options? Any experience/pitfalls?

Dennis