Hi I would like to ask for some suggestions to upgrade my PC. It has 480 watts Power Supply, Pentium 4 2.26 GHz, (No more Hyper thread Pentium 4 sold in my region), 2 Hard Disk (1 of them is 80 GB Samsung with 2 partitions, 1 is Windows (NTFS with 60GB or so) and the other is a shared partition is a shared partition between Ubuntu Linux 8.04's user documents like Musics etc with 12 GB using ext3. The other hard disk drive is 20GB with a single partition which is Ubuntu Linux itself. (Excluding swap partition, which is about 500MB if I am not wrong.) ). 1 Samsung CD-RW 52X, 32X, 52X drive (Probably writes at 32X), 1 Intel Network adapter, 2 RAM Modules (2X 256MB), DDR 400, 2 SATA empty slots and 1 floppy drive.

Main thing is this PC has an integrated graphics card (VIA 64MB). I would like to upgrade into an AGP Graphic card (No PCIe slot, so cannot get an express card.). Am I making a right choice? (There are 2 PCI slots too)

AGP slot is 8X speed, PCI slot's speed not sure.

If that is a correct decision, then which graphics card below do you guys recommend?
PowerColor X1650 (ATI Radeon 256MB)
PowerColor X1650 Pro(ATI Radeon 512MB)
Inno 3D 6200 GEFORCE FX NVIDIA 256MB DVI + TV
POV GEFORCE-7300 GT 256MB (NVIDIA)
(Or maybe suggest something else.)

Also, I would like to upgrade my RAM (So I will remove both) and goes up to maximum of 2GB RAM. (Mobo supported only up to 2GB.) Is this a wise way by buying 2 pieces of same RAM module shown below??

If yes, there are also a few RAM brand to chose from. Which is more GNU/Linux friendly?
Kingston PC-3200 CL3
Advance Module 400 DDR
(Or maybe suggest something else.)

Furthermore, there is 2 empty PCI slots, I planned to use 1 of them as TV Tuner. Which is more MythTV compatible with quality TV signal (I want to watch both digital & analogue TV)

Dazzle TV
iGear
(Or maybe suggest something else.)

Last but not least, I wish to have a media card reader on my PC internally. Is UNITEK Internal Multi Card Reader good for Ubuntu?? (It uses eSATA or USB, but i prefer internal.)

By the way, will all these added to my PC causes my Power Supply unable to handle them??

I do not wish to buy a new PC and want to use it for about 5 years (It is decent for both Ubuntu and XP, and I do not plan for High-end gaming. Also, is it true that no matter how I configure it, it is not a blue-ray disc compatible).

Select any RAM (2GB should be fine)...Transcend is also ok.

You can add a 500GB hard disk too.

AGP card : ATI will be easier with Linux. There are some AGP cards with TV tuners too

If your smps is too old get a new 550Watt smps (optional). Better still open it and clean it ... and with good contact cleaners too.

For hard disk, that will be optional but a good suggestion.

For AGP card, so I should go for ATI right? (I heard people say NVIDIA is better in Linux, but recently heard the NVIDIA are Linux hostile, weird.) Also, do you mean some AGP cards with TV tuners actually refers to those with DVI + TV ones??

I did remember I go do some cleaning on my PC last month or so, but if I do not want to change the smps, are they going to work?

Opps sorry, I forgot to say that I am also considering Hauppauge! WinTV-PVR-150 as my TV Tuner.

Also, I heard that AGP GPU with TV tuner are not as fast as pure AGP GPU, so I might not want to consider it (Wish,but not a must to try out Ubuntu Enhanced interface.)
by the way, is t true that GNU Ubuntu works with all CD/DVD drives assuming if the installation is correct. (Meaning never buy wrong interface, a SATA did not plugged into PATA etc.)