MDD Power Supply Sufficient?

It has just ocurred to me that after a round of upgrades, my MDD PSU might be getting a little stretched. It hasn't done anything to make me think that is the case, but it started out as a single 1GHz FW800 with 133MHz bus and a Radeon 9000, 80GB HD and CDRW.
The 80GB failed, and the machine has had a variety of drives since.
Its new spec is as follows: Dual 1GHz, FX5200 (with extra fan), Pioneer DVR110, Maxtor 300GB, IBM 120GB and 60GB, and Seagate 30GB and 8GB HDs. Also has a PCI ethernet card and PCI USB 2.0 card. And Apple Pro Speakers.

Am I pushing it here?

My guess is you're just fine. If you can, check the temperature inside your PSU. Mine never goes higher than 45, I'd say 40°C avg. Dual 1.25 oc to 1.33, dual raptor hd's, 9800 pro and several PCI cards don't seem to be a problem for my MDD's PSU (FW800, I believe 360W).

EDIT: Forgot the tons of fans I added (I think there's a total of 9) and all the extra lighting (a lot of leds and 2 ccfl's).

Looks like lots of the MDDs use this same supply. I think there is a higher rated one (in the region 440W), but I guess thats for the dual 1.42s.
This one certainly seems OK.