Well, I have owned two in my short dive career so I can compare and contrast them for you.
BARE Trilam HD Tech Dry:
Good suit, material on the heavier side for trilam which seemed like it would be good and hold up well. I got it on-line from one of the well know e-tailers. Good price: for around $1500 I got the suit, plus a pocket, plus cuff rings, plus neoprene boots, plus suspenders, plus the CT-200 undies, plus a 7mm hood. Suit was fine, and kept me dry and warm down to 43degrees. Dried quickly
Downsides: suit was heavy. Almost as heavy as a neoprene suit. Suit was stiff, not very flexible. Didn't like the way the legs connected to the boots, had a cuff that came down over the boots, sort of like pants. Didn't like the "anti-inflation" built in gaitors, didn't work that well but added bulk and weight. The hose was a bit cheesey - plastic "wing nut" like thingy on the valve end would get snagged frequently and pop the hose off the valve. Didn't like the neck seal which was NOT the way it is pictured in the photo. Looks like a "warm neck" seal, but it actually came with one of those "bellows-like" neck seals. With/because of all that it didn't seem like it fit me that well, and had really restricted range of motion especially in my arms. I bought a "TALL" size for my 6'2" frame which should have fit me perfectly on paper anyway.
DUI TLS-350:
I tried one of these at my LDS for kicks, just to see what all the hubbub was - all the owners and instructors wear them. I told them that I didn't think the mens large stock would fit me - on paper it should only go to about 5'11" and should be too wide for my 180# frame.
Fit me like a custom suit! Material is super-light. I'd say it weighs half what the Bare suit weighs. Much thinner material, the whole suit folds/rolls down tiny and fits with undies in the smallish bag that DUI provides, as oppsed to Barely (get it - "Bare"ly!) fitting into the duffle bag the Bare suit came with. Suit dries quickly, and is very comfortable. Range of motion is fine. I got the turbo soles as I don't care for the rock boots.
Downsides: Price. Package was about $300 more than the Bare suit. For ~$1800 I got the TLS-350 plus the "sport package" which included CF-200 knee pads, two pockets, and a "warm neck" hood. Not a lot of money difference, and well worth the extra to me.