I bought a few things with my sidewinder to reduce mass more than anything else (hence I could leave the starting system). That was until I got to my free eagle.. thought the sidewinder was good and packed a punch but, oh boy.. that was until I tricked out the eagle.. 2x Multicannon and 1 x Beam laser (for shield dmg). Matched the cargo bay size of the sidewinder and basically had all I needed. Sold my sidewinder after that...