Florin,
It is probably not worth going to this effort for using wet layup techniques. I think vacuum bagging is more appropriate. You can significantly boost physical properties of a wet layup part by post cure baking but you don't need to do this under pressure.
You need the Autoclave to process PrePreg which has advanteges over wet layup:
1. Precisely controlled low resin content (high physical properties)
2. High heat resistance of the finished part.
3. Accurate orientation of fibers - especially important for unidirectional reinforcement.
4. Ease of layup - the prepreg can be cut very accurately with a razor blade and stuck onto the mold or mandrel.
5. 30 days to complete the layup at room temperature before curing it.

By the way, you can cure prepreg in a regular vacuum bag placed in a "hot box" and get good results.