I would definitely be up for some more comps. I think it is ridiculous to hold the comps off for GT5. In my opinion, there should be two divisions of the comps, one for GT4 and one for GT5. A lot of us do not have a PS3 or GT5, and don't plan on getting them anytime soon.
Also, just running one single competition is killing Photo-Mode for GT4. The latest downfall started when the comps started running 'FINAL' Tournaments a year ago. Then all the hosts started suspending their comps., awaiting the arrival of GT5. Now there is very little done in people's galleries and virtually zero traffic in the Photo-Mode areas of this site.
I hope we can muster another revival of GT4 PM, as long as there are enough competitions to keep people interested, and keep traffic up. The magic number of Comps. seemed to be 3-5 in the past. Also in the past, Unedited, PMC, and 2.0 seemed to be a mainstay, and then there was always 2 or 3 others running like drift, scenery, and custom.
I would definitely start entering comps again, if there were more entries and interest. I like Un-edited, PMC, 2.0, and Drift comps, I really miss the drift comps, as they always provided more action shots.