They look great! Did you follow plans or just build by eye? (And can you link if the former?) Love the stain, too. Steel wool/vinegar or a product?
I slapped together a basic plan in Google Sketchup, but veered off course a bit while building to accommodate for some issues. Basically, I got some sheets of 4x8, 3/4" plywood. Chopped the 8 foot length into 4 x 2' x 23" rectangles. I used 1x3's for the kickplate, so those are 2.5" each and you can see how they are arranged in the pics. We drew a line from the top of the kick plate to 8" back on the top of the box to get the break angle for the slant. I used 1x2 and 1x3's glued and screwed (nail gun on the smaller boxes) as bracing for the boxes and screwed a plywood top and bottom on to match the size. The spacing between the rack rails is 19 3/8" (and that's convenient because there is a triangle on the measuring tape where you need to measure).
This is the product that I used to stain/poly. I only put one coat. I'm in a time crunch to get up and running in the new space, so I found the easiest, quickest solution for the finish, but think the results came out pretty well.
A rack straight rack is pretty easy, a simple Kreg Pocket screw jig ($30) and Homedepot and Lowes will cut to length, Penn Elcom rails and your done!
Okay, I admit it, I had to google what a Kreg Pocket screw jig is, and my dad was a shop teacher for over 30 years. I think he was a little embarrassed when I took his class many, many years ago.
Hey I think it was either My neighbor Brian who builds highend speaker cabinets or my old Neigboor Dana who showed me 8-10 years ago, I have been building cabinets for 39 of my 49 years ! Coolest little tool ever, hardly use my biscuit joiner anymore & I give at least one a year as an Xmas present to somebody who looks at like, gee thanks, right. A year later I always hear " best gift ever"!