The pan is easier than pulling the clutch. The two bolts near the filter are the only long bolts, the rest are the short bolts.
You will want to pull the oil strainer and look at it. Don't get lazy and just try to shine a light up there to see if its blocked with fiber material. Take it off and really look at it, if its covered up then just replace it with a new one.
I got yelled at for using sealant on my gasket from a engine builder once. If you put too much it gets squished into the oil pan and plugs up the stainer. Last week I replaced my broken oil pan and used no sealant on the gasket. Works fine with no leaks.
Lees performance shop (online) sells a windage tray to keep the oil down in the pan for about $30, now is a good time to add it while your in there.
You should not need to touch the headers at the block, only the 4-2 part and 2-1 part.