How powerful are Dell power supplies?

I have a Dell Optiplex GX260 (it's actually not too bad, and I've been very happy with it).

I currently have the following running in it: Maxtor 80GB HDD, WD 120 GB HDD, 4.1 ch. sound card, 40x CD-RW, floppy drive, and an ATI Radeon VE (for basic DVI capability - I'm not a gamer).

Is this selection of components taxing the power supply? I've heard that dell power supplies are underrated, but I'm just wondering if perhaps adding a firewire card or maybe a new video card would result in overwhelming the power supply.

EDIT: forgot to mention that it's a P4 2.0 GHz system with 512 MB RAM.

 

[EeyoreX]

Personally, I have nothing but good thoughts about Dell's PSUs (unless they are proprietary...) Your PSU is likely fine for the upgrades you are thinking about.

\Dan

 

[zephyrprime]

(unless they are proprietary...)

Aren't all the dell PS's proprietary now?

 

[Sid59]

dell PSUs are top notch.

 

Originally posted by: Sid59
dell PSUs are top notch.

Good to hear. I'm not really thinking of a new video card seriously (without gaming, the VE does just great) but I am thinking of possibly putting in a firewire card or a TV tuner.