Stuff from newyorkbarbells has a good reputation/value. The gym I train at has hammer strength, and I love nearly ever piece of equipment I have tried.
For a rack, can't go wrong with Yukon Powerrack. Wide base for box/power squatting, sturdy, cost me about 350.00 w/shipping. Dipping attachment sucks. I wouldn't invest in that part of it. Simple to put together. You can improvise nearly any lift if you want to. Dipping can be done without the attachment.
For weightplates, best thing is to go local to avoid shipping and look for used stuff imo.
For a bench I went with powertech. I forget what it is tested at but 1000 lbs at least probably. Sturdy as all hell and plenty tall (big benefit!), but a bit short for a tall guy. Doing inclines w/it is a real pita since only the back rest inclines but not the seat itself. Doesn't do decline presses. Cost about 200. Overall, I really like it though. The sturdiness can't be underestimated.