1. Cego for shirts. See Shirtmaven's listing above.
2. LS Mens Clothes for tailored clothing. You will pay less than 1/2 that what you would have spent at Brooks MTM. As for more exalted establishments, you'll be paying 1/3 of what those places charge.
I have used both Cego and LS, and I recommend them. Carl (Cego) and Izzy (LS) are lovely and honest people.
As for Shirtmaven's recommendation of Mr. Ned, it is also an excellent choice. The pricing is similar to...