Combine the tomatoes, bell pepper, onion, parsley, garlic, pepperdews, red wine vinegar, salt and pepper in a medium bowl, toss lightly to coat. Set aside.
Line a large rimmed baking sheet with aluminum foil, spread the tortilla chips in a single layer as best you can, there will be some overlap.
Evenly sprinkle the sausage over tortilla chips, followed by peppadew mix, leaving behind any excess liquid. Finish with mozzarella cheese.
Place nachos under broiler on high. Watch very closely to prevent them from burning. Remove when cheese melts and gets bubbly.
Serve the warmed marinara sauce on the side or drizzle over the hot nachos right before serving.
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