I've also been having my own little Aldi experiment. I'm trying extra hard to cut costs because I'm quitting my job to go back to grad school this fall...Right now we'll need to take out about $5k in loans to cover the costs, so every dollar we spend is a $ that we are borrowing & vice versa. It finally dawned on me that Aldi is on one block, 4 blocks south is Target & Jewel, and 4 block north is Food 4 Less.
So now, we go to Aldi first every weekend, then depending on what's left on my list, go to Food 4 Less (cheap meat, but I'm trying not to buy any while it's summer & produce is so affordable), Target (cheap staples and reasonable selection but lousy produce & and I'm SO bad at not buying unnecessary things there), or Jewel (great produce but ridiculous prices). The last three weeks, we've managed to spend only about $60/week, instead of the $100 or so we've been averaging, although to be fair I am draining our freezer some at the same time. I'm really happy with our "experiment" so far though!
I also think that Aldi has really upped their game in terms of selection & product offerings, so if you haven't been in a couple years, take another look! I was really amazed at some of the things they carry & at great prices!