The only thing I like is for the shoulder balls to not be TOO big. Metroid 2's box art is just insane with how large those are, haha.
I think my favorite different suit design they've done is the Metroid Prime 2 Light suit. That just looks soooo good, but even so I wouldn't want the basic traditional Samus suit to be TOO drastically different. I did like the Fusion suit a lot, but that worked as a replacement to the regular suit rather than a redesign of it, plus it made it all the cooler when the evil Samus clone would show up.
I think my favorite different suit design they've done is the Metroid Prime 2 Light suit. That just looks soooo good, but even so I wouldn't want the basic traditional Samus suit to be TOO drastically different. I did like the Fusion suit a lot, but that worked as a replacement to the regular suit rather than a redesign of it, plus it made it all the cooler when the evil Samus clone would show up.