for me, it's the eyes.  

oh, and I like long hair, and small breasts  

Summer outfits and breasts.  Love it.  Cleavage.  Spaghetti straps. Bikinis. Sleeveless. Its all so very good.
I do enjoy checking out the caboose in those shorts as well.  Nice post Bri!

I like checkin out

a pair of sexy legs with a nice ass in a mini-skirt or short dress!
 I also love the way her feet look in heels. YUM!
 Kinda like the first time I met Bridget last summer. (just sayin)

Only one way to go.

Camel Toe. LOL

From the back it's a nice little butt and shapely legs. From the front, her breasts, hopefully with a hint of nipple showing.

Shapely thighs connected to an ample ass adorned by short shorts, a mid thigh skirt, or snug fitting yoga pants.....all from any angle.  Thanks Bri, now I'm horny.

Either front or back, I notice a nice pair of legs 1st.  
Then if I'm behind her, of course I notice the beautiful ass next. I don't have one shape or size that gets me going, I just love ass. LOL  
If she's facing me, I look from the legs straight up to the smile and eyes. A beautiful smile and bright eyes melt me like butter on the hood of a car in 90 degree weather.

One of the first things I notice are the eyebrows. If theyre nicely shaped and have a good arch...gets me every time.

Sunglasses
Sunglasses add mystique….
Sunglasses put mystery in the air….
Sunglasses force you to check out her body almost immediately, to see what you are working with…so if she is UN-attractive, can we work with her if she keeps the sunglass on…
Sunglasses make ME look for a wedding ring….(but I look for Wedding Rings on the steering wheel in passing cars…but that is just me….)
Sunglasses make me go….HHHmmmmmm…. (See Moniker)….duh…
Sunglasses entice at the possibilities…
Now if you want to multiply that seductive aura tenfold???  
Wear them when you are NOT suppose too…
At the grocery store, in the coffee line, walking in the mall, in the bank, through an entire elegant dinner at a great restaurant, at the bar, at the club, church (yeah…I said that)….
Now, we…Heterosexual males of the human species, with our fist size section of the brain controlling our raw caveman NEEDS….food, shelter, cumming, (See MSB…Massive Sperm Build-Up…male version of PMS…NO, I do not want to start a troll-down)…as the rush of blood to the lower extremities, our higher brain functions take a well-deserved rest…at least that’s is what we tell ourselves, this lack of blood in the brain makes our remaining thoughts…animal lust as long as we are full and warm, the lust takes over…this will be in no particular order of racing thoughts and  that sunglasses may cause…
Is she checking me out…what is she hiding…would the car work or should we get a hotel room…would she blow me…in the hall, on the stairwell, does this place have an alley…if I go sit next to her will she grab my junk, does she have panties on…is she a spy…making each other cum in a crowded movie house…fingering her in the elevator…how can I rub my @ock on her ass when I walk by you…shaved…will she follow me to men’s room and blow me in a stall…what the hell is her story…  
Just off the top of my head…
Thanks
Kra

I like to look at a nice shapely butt.  

From the front I like nice perky breast, but I'm also going to be looking to see her "camel toe".

I love the colorful clothes she wears, and the way the sunlight plays upon her hair...

...then I hear the sound of a gentle word, on the wind that lifts her perfume through the air...

A pretty face, particularly if she is smiling, and a nice pair of breasts, particularly if they are being well displayed, always catch my eye.

belatedly

if she looks like Venus, but walks like a sailor -- I don't look back

If she looks like a sailor, but moves like Marilyn, she's guaranteed a second look.

(And sailors as a species, so far, do nothing for me)

So body language, then curves, then the face seals the deal -- but once again it's the way she uses what she has, beginning in the mouth and confirmed in the eyes.

Heading out to do research.