It looks like the amount of light is good in the kitchen, but in my opinion, the style of lights doesn't work. I have used track lighting in several kitchens, both for my own use, and for client's kitchens. The nice thing about track lighting is its versatility. You can adjust lighting to where you need more, either by moving or pointing a fixture differently, or by adding more fixtures. Also, track lighting can offer quite small styles, so they don't have to feel like a focus when you don't want them to be. And one more thing, with a floating attachment on the track light, you can mount them wherever you want as long as one little part of it goes over the standard electrical box.

Here's a couple of photos with attached links of track lighting in a few of my projects.
this is a larger track light option, we have in our 100 year old house' kitchen:

Here is another kitchen with track lighting, it's our former house's kitchen:

and one more,

This one is a kitchen I renovated of an antique brick cottage. With easy adapters, I added mason jar pendants to the track lighting.

(Here's the link for that: DIY Mason Jar Pendant Light with Track Light)

Thanks for the comment @hometocottage.com! I should have mentioned that we're trying to keep costs down by not re-doing the electrical. The one center lighting fixture (I'll call it the rustic drum light) was already there. We had a second one in the family room, which we moved to the back of the kitchen near the back door (you can see in the photo). There's also a third lighting fixture that we're removing all together because it's placed off center over where the fridge will now be. You can see it in the back right of kitchen photo. It was an industrial style of a trio of naked edison bulbs. I like it, but again, doesn't really go with the rustic drum lights. Lastly, I love the new chandelier we bought to replace the big glam globe over the dining room table, but I'm having second thoughts that it all goes.

And the nice thing about track lighting is that you don't need to re-wire... they work with the standard box that your current light fixtures mount to.

hmmm. you should get the rail lighting kit, rather than track. Lowes sells rail too. its much more up to date than track. the one over the back i would go to a single semi flush fixture.
Can you up load your pictures in a larger size, so i can show you.

i like the one you have in the dining room now.