For something in the middle of the price range, consider this Ella Moss Tank. While the price is very reasonable, this piece is an easy wardrobe update. In this price range, you can also check out this Nic+Zoe Tank. It's an attractive option both price and quality-wise. Check out this Eileen Fisher Tank too! Great value for your money.
If you're not the one to skimp on clothes, then you won't be disappointed if you check out this Vince Tank. It's an expensive but smart option. While you're at it, also have a look at this M Missoni Tank. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this Zero Maria Cornejo Tank. 'Cause you deserve nothing but all the finer things!