You're right about the 36 being too big - it's pretty obvious from the big bags near the armpits visible from the back. The length of the jacket is way past the knuckles. You could get a tailor to shorten that and take it in through the shoulders and slim the trousers (but you need a good tailor to go in through the shoulders and it might cost as much as a new Napoli suit for all that work.) But honestly, you can get away with it if you're a student on a budget. The 34 jackets look about as good as you can get without any alterations. It's not baggy across the chest, the waist looks great, the sleeves are the perfect length, and the jacket length is great. Honestly I thought that was after you tailored it. As you mentioned - the trousers look snug in the thigh - I can't remember if the napoli comes with fabric to let out in the stride (running down the inside of the thigh) - if so you're pretty much set. Letting out the waist/seat should be no problem. If it's really uncomfortable and it bothers you to walk around and sit down in it, then you may need to try something else. But if you can get that corrected, you should keep 'em!