It depends how much filler is actually on there....even replacements will need some filling...The drivers side looks the worst, feel underneath to see how bad the metal is. Looks like I would replace it at least.
I replaced mine with skins welded in in a line between the top ridge and the wheel well.... the guy did an awesome job.....after sanding likely have a tablespoon of filler on both sides...
It also depends where the car is going to sit, ie in garage or out in the weather and of course how long you are keeping it and how much you want to spend. I dropped $40k into mine and it is garage kept, only sees rain if I get caught out in it....
