Hummmm... Mostly correct but with some caveats:
1) Although the PSU claims to give 480 watts, it's old and not performing as a new one any more. More important, it most likely doesn't support modern video card, i.e. it lacks the plugs needed. Y-cables might work but they also might drive the PSU past its limits.
2) The two slot requirement for a video card isn't the only problem. Many cards are so long that they don't fit in between the back plate and hdd cradle.
3) About Vista's capability to handle memory: It doesn't say 64 bit anywhere, so it's 32 bit. Any 32 bit operating system can only handle 4 GB at the maximum and even that isn't fully usable. The key word is bit depth and from there on it's purely mathematics.
4) Yes, GDDR5 is much faster than DDR3. It's designed for Graphics... The techies talk about buses, but for me a bus is a multi person car. My explanation for ordinary people is, that if the data were like water, a 3/4" hose will fill your bucket much faster than a 1/4" hose with the same pressure level.
@800nate800: You're absolutely right. The only thing you might want to do just for fun, is to install a video card if you can get it for free. A card without extra power inputs would be the safest choice. But before starting to plan this route any further, check that there actually is a pci-e 16x slot on the motherboard! I've seen some e-Machines having just two rows of solder spots instead.
I based my suggestion from this information:
http://www.cputopia.com/emachine-480w-w-series-w3623.htmland
http://www.cnet.com/products/emachines-w3623-p4-641-3-2-ghz-512-mb-160-gb-lcd-17/specs/This is a quote for brand new replacement of CPU, Fan, Motherboard, Case, PSU and RAM (although only 512 mb)
for $176. So his current system isn't worth much, but I could make it fly since I have the 64 bit OS, GPU and RAM (also all of the cables, keyboard, mouse, monitor, etc.) available to me.
For Nate, I see nothing wrong with the upgrading with these options:
Win 7 professional 64 bit $69 amazon
Corsair 8 gb memory $50 amazon
GT730 DDR5 2GB *used $64 amazon (* Not sure on the room, but looking into the w3609s case it has plenty)
Total $179 if the PSU replacement is needed, add $19.99 plus shipping/
add $15 for a
new GPU instead of used.
Please compare that with any new purchase prices and "bang for the buck".
Sometimes, bird in the hand, may get you through, until the next real bargain. Unless someone is selling a used custom build, I doubt if there are any purchases close to that price range that would run alpha as well. Please don't buy a computer to run alpha if it is NOT in your budget. The final version will have more specific recommendations and possibly even lower standards than we presently have.
Nate, RIGHT NOW, YOUR OUTDATED 32 BIT OS, AND LESS THAN 1 GB OF DEDICATED VIDEO RAM ARE YOUR FAILS. CPU RAM MIGHT ALSO BENEFIT (CAN'T HURT) AFTER OS UPGRADE.