I don't think I've seen Chez Thi mentioned on Chow so I thought I'd write a review.
It's located on CDN near Duo Vien and Pho Lien. It's also a Vietnamese restaurant but the dishes have more of a Thai influence on them. Perhaps it's from a different part of Vietnam as the dishes are not like what I've seen in most Vietnam restaurants but my knowledge of this cuisine is limited.
To that end, we've been there 3 times now and have always enjoyed our meals. Some of the dishes we've sampled include the Tom Yum soup (so refreshing), a beef in a spicy basil sauce served on a sizzling platter (literally) with a lot of vegetables, a real nice pad thai with that Vietnamese style grilled chicken and a chicken red curry served in a hot pot (have had the shrimp version of this as well). All dishes have a lot of vegetables served with them and they are nice and fresh, which is great for someone like me who tries to eat as many vegetables as possible.
The atmosphere is fine, nothing spectacular. Went there last night and no one was in there but in the summer it was fairly busy. The weirdest thing was that flamenco music was playing, can't wrap our heads around that one.
I was surprised at how empty it was in there because I find the food served on sizzling platters or in hot pots to be ideal for winter, less so for summer but that's just my opinion. I would recommend the place though. Every time we've been there it's been consistently good but the could maybe be a bit spicier.