Make sure to pick up a copy of IDW's Transformers: Generations #1. This title reprints some of the hard to find Marvel series from 1985 forward. Information, including cover pictures can be found here. A review of the original release is located here at the bottom of the left side. This title will only last as long as sales demand it.

Also, check out the cover art for the following:
Issue #2 here and here reprinting Marvel's #13: Shooting Star.
Issue #3 here reprinting Marvel's #14: Rock and Roll Out.
Issue #4 here reprinting Marvel's #16: Plight of the Bumblebee.
Issue #5 here reprinting Marvel's #17: The Smelting Pool.
BTW, reviews of these original releases can be found in the 1985 section at the bottom of the left column.