Milan Malpensa - Warsaw - Wroclaw return in business. First leg an Embraer 170 which looked a bit tired inside but with comfortable seats in business class with 2-2 seat configuration with plenty of legroom. Service attentive and food above average with plenty of drinks. Second leg was in an ATR 72 of Eurolot which has the last rows reserved for business class passengers but with a common service for both classes (snack bar and water or juice). Aircraft looked old and was uncomfortable and very noisy. Return flights were on Embraer 175 (only recently delivered to LOT) and Embraer 170 which was in a much better condition than the previous 170 flown on the outbound leg.