There are quite a few games from their back catalog of acquired games I would love to play again. Remember that EA has bought a long list of companies and products.
It is terribly unlikely that most of the games will be brought back (which is a shame) but potential is there. They added a few to Good Old Games but most of them have problems or require dosbox or have multiplayer disabled.
My short list:
* Wing Commander series, including Privateer (some already on GoG, but buggy on some systems)
* Ultima series (already on GoG but buggy on some systems)
* Populus series, with LAN multiplayer
* Old Dune and old C&C games that allowed LAN multiplayer
* The Neverhood
My long list would include a considerable number of games that are not on GoG and have not been updated to run on newer platforms. For that cost and a catalog including updates or even patched current versions of those games, it would be worth it to me.
I fear it will just be games that have the full version still available at a reduced cost, and become more of a games preview service. But hey, maybe they will get this one right.