Look at the new Triumph Bonneville.
They're now EFI, air cooled (well, also has a small oil cooler), can get cast wheels or spokes depending on the model you want, mid controls, standard bars.
Stock, they'll school an 883 Sporty, and with under $1000 in mods they'll leave a 1200 in the dust.
Much more agile in the twisties than any H-D, much better looking than the H-D or Buell (to me).
If you want a factory cafe racer Bonneville, there is the Thruxton.
New, the Bonnie's are about $8500 (MSRP) right now, and if you look for a few years old you can easily find them in the $5-6 range with under 5000 miles. The 2001 to 2008 were carbureted, and the 09's and newer are EFI. I've got an '07 T100 and it's perfect for me. Great for cruising the town on Sunday afternoons, great for carving the river valley roads everyday, I've toured thousands of miles in a week on it in comfort, it has no problem going 115+, and it looks classic. I've never second guessed my choice, it's a great bike! Oh, I'm 6'1" and about 200# wearing ATGATT.
This is the Bonneville Black, one of many variants/trim lines:
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This is mine:
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At least go take a test ride before you settle for a Sportster.
-K