Considering what you have noted as likes and dislikes I would be hesitant to suggest you pick up borderlands. The core game mechanic is that it is a FPS, but it does have great humor and some nice story elements. Less so than Fallout 3 and it does not have VATS mode to help with the combat. Basically the quickest summary is Diablo with guns or stretching back a little farther Rouge/Moria/Angband as a FPS.

To suggest a different modern game with a sequel coming out "soon" I would say take a look at Torchlight / Torchlight 2. You can still preorder torchlight 2 for $20 and get a free copy of torchlight. Semi action dungeon crawling with piles of semi random equipment to collect. Fun cartoony art style too. http://store.steampowered.com/app/200710/