
All four of the major U.S. wireless carriers have variants of the Samsung Galaxy S coming in the future, after this morning's post-midnight announcement. T-Mobile had already been running a countdown timer to midnight for more info on its Samsung Vibrant, but the timing Sprint and Verizon's announcements was a surprise (though they already rumored to carry the Galaxy S).

T-Mobile's Samsung Vibrant was already
spec'ed out by the carrier earlier. These Galaxy S variants will all have mostly the same specs, such as a 1GHz Samsung Hummingbird CPU, a 5-megapixel camera with HD video recording (720p), a 4" Super AMOLED display, 802.11n, and Android 2.1 and Swype built-in. The Vibrant will hit retail on July 21st, for $199 with a two-year contract (no rebate mentioned), and Radio Shack will begin taking pre-orders on July 1st.
Meanwhile, Verizon's version will be called the Verizon Fascinate. The hardware and software specs are the same. What isn't mentioned by Verizon or Samsung is pricing or availability date. Odds are it will be the same $199 as T-Mobile's (with plan), however, with or without a rebate.
We mentioned all four major wireless carriers, but also in the mix besides the two above, AT&T (with its earlier announced
Captivate) and Sprint (more on that later) is U.S. Cellular. Its press release with Samsung was pretty generic, and didn't mention any specific model name, so they may just go with Samsung Galaxy S and stick with a pretty stock software load. No pricing or availability was listed, but $199 is a good bet.
The Sprint variant is perhaps the most interesting. The Sprint Epic 4G (shown) joins the EVO 4G as the second 4G phone on Sprint's network. Unlike the above Galaxy S variants, this one has a slide-out keyboard, and a front-facing camera, to boot. Images of this phone have been leaked onto the web before, and it was rumored to be a Samsung Galaxy S Pro. Once again, no pricing or availability has been mentioned, but you can bet on the same $10 surcharge for 4G service (even if it's not in your area) and considering the hardware differences, it might have a different price, as well.
Samsung is planning an event Tuesday night in New York City, with the actual event starting at 6:30 PM. Here's hoping they will detail availability dates and pricing then for those missing that information above.