I really liked it. I'll be honest with you, Downton hasn't really done it for me since they killed off what-his-face, such a smack-in-the-face to fans. Indian Summers is beautifully filmed, like Downton, but, at least at first glance, it seems to have a lot more substance and complexity. It starts in 1932 and goes through Indian independance in 1947 so we can expect a lot of cool early 20th C clothing, most of it made for the show according to the costumer. I especially loved the sheer dress Alice wears to "the club" in the first episode and this number the owner of the club wears:
Looking forward to the next episode! And if you're interested to see more Vintage Gal has a nice write up of a bunch of the costumes that have been seen so far.