I should mention that the Atlantic quote was around $5.5K which includes the narrow windows as mentioned.

And this is Florida, if that wasn't obvious.

And I already checked with the city, egress is not a problem because I'm not making it worse.

What model Silverline?

Silver line 7400 Replacment Awning Window

I find it interesting that someone said Simonton makes an 18" wide awning window as their book states that 20" is the minimum.

As far as pricing, you will find that different companies sell the same product at different prices that are all over the place. Example, a Silverline 20" x 74" triple awning with a picture window at the bottom (tempered assuming it is less than 18" off the ground) I would sell at about $366.

Simonton somewere around $902

Casment on the top and picture on the bottom is a nice way to go.

As far as quality, one of the biggest problems with Silverline is that they sell to anyone, so you get a lot of windows installed by terrible installers and they leak. Although I will say PGT is my prefered window, they do not make an awning window.

-Andrew

I would also lean more towards a PGT or Simonton offering well before the Silverline option.

PGT doesn't offer awning windows, but Simontons are nice, and PGT's Casements are very well built.

Update:
We've dismissed the Silverline and the local manufacturer, and are now looking at just the Simonton windows since PGT doesn't do awning and Marvin is wood.

I need to look up the specs, but there's a coastal window that my DH is interested in, or maybe the 6500 platinum windows. We got two quotes for Reflections windows, around $7K and around $9K installed.

These include, for those long skinny windows, a picture window below and a casement above.

This is harder than I thought it would be - so many option with the glass! Can't say that we're comparing apples to apples.

You will be with your windows for a long time. Do the research and pick the best ones that you like.