KIX
To be honest I don't like flying to/from KIX...way overcrowded, facilities are not so good...
But it's obviously convenient for Kansai region.
JR West Haruka
Only taken once iirc...and only managed to find this one picture 
Not surprised since it's bascially good for Kyoto and that's it.
If you are in Osaka there are other options.
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This is the other option in Umeda aka JR Osaka. A lot cheaper since it's not a limited express. You only pay the basic fare.
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Nankai Rapi:t
If you are near Namba/Shinsaibashi area, this the best.
The Rapi:t has these oval shape windows...
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