Gotcha, then I take back all my other recs! What kind of bindings are you using with your T4s? Tele gear hasn't seen the same amount of innovation on weight savings compared to AT, so you can probably get a setup with decent downhill chops with little extra weight compared to your current setup. (For reference, you're probably around 11lbs before bindings on your current setup, 5 for skis and close to 6 on boots).
In terms of clearing up the confusion on categories, I'd break the options down into subcategories:
-Skimo race gear: designed to be the lightest think you could possibly survival ski down. Full setups are <10lbs (3-4 for each boots and skis, under half on the bindings). Boots in this range would be the Scarpa Alien line, Dynafit PDG, Atomic Backland Ultimate, La Sportiva Raceborg or Stratos. Cuff rotation on these also tend to be 65-80 degrees for a really long & efficient stride. Skis tend to be under 75mm in width.
-Speed Touring gear: here in the PNW, people go with these for beer league skimo racing since it's cheaper than the primo gear and also is burly enough to do double duty for spring & summer when people start doing 6-8k elevation days for volcano skiing or overnight traverses. Boots in this category would be a Dynafit TLT7, Atomic Backland, Scarpa F1, Roxa RX 1.0, La Sportiva Spitfire or Siderall, Arcteryx Procline, or Salomon X-Lab Explore. Cuff rotation is usually right around 60 degrees. Skis tend to be 80-90mm in width. Full setup will be around 11-12lbs (4-5lbs on boots, 5-6 on skis, around 1 for bindings).
-Middle of the road: Probably the most popular touring gear since it hits a sweet spot where the average day tourer can tolerate the weight on the way up and tolerate the downhill performance on the way down. Tons of options since this is where the burliest AT brand options overlap with the lightest inbound brand options. Skis tend to be 90-110 underfoot, depending on what part of the country you're in. Boots tend to be 6-7lbs with 50-60deg of cuff rotation. Tons of options, but a few are the Dynafit Hoji, Scarpa Maestrale, La Sportiva Spectre, Atomic Hawx XTD line, the updates to Tecnica ZeroGs. Full setups sit around 15-17lbs.
-Burly boots: Skis downhill exactly like downhill boots. But sometimes, they uphill like downhill boots. These are closer to 8lbs. Before a lot of innovation over the past 4-5 years in the prior category, most inbound boot brands would tack tech fittings into their downhill boots and call it a day. They usually had walk modes around 40 degrees, but some of the new models like the Full Tilt Ascendant or the Dalbello Lupo line make up for that with a large cuff rotation to keep the skinning efficient, so you're at least getting a long stride each time you pick up the heavier boots. Older models like the Lange Freetours, Rossignol Alltrack Elite, K2 Pinnacle 130 and the old Tecnica Cochise stick to 40. Works well for slackcountry or for devout enthusiasts for those brands, but they're really lagging behind the market. I feel like stronger touring option from Lange could be super successful.
Also, you can mix and match across categories (speed touring boot with a middle of the road ski, for example), but setups handle a little awkwardly when the pairings are really different (like a skimo race boot with a middle of the road ski).