I have a 2010 Scott plasma 2 frame. I love it. There's actually few present day TT-frames that I would consider buying. I love having a threaded bottom bracket and I still don't trust any pressfit bottom brackets. Even low-end bikes come with pressfit BB's now.
I think the sweet spot for used bikes currently is the felt b16 2009-2013.
For me, if you're sticking with mechanical, 10-speed is a better option. It's a lot more difficult to index 11-speed gearing. Plus, you get to save a shit tonne of money on wheelsets. My bike/wheel (hed jet 6/9) cost a total of $1000 canadian. I bought $4-500 worth of upgrades (new aero bars/stem, saddle, cables, crankset) and I would compare my bike with any recently manufactured bike that doesn't have an integrated headset or a custom stem. I ride PRO missile alloy bars with a Missile Evo stem.
The only thing I find where my bike is lacking is top tube storage bosses and tire clearance. I have 24c tires and I doubt I could fit 25's which is crazy
I think the sweet spot for used bikes currently is the felt b16 2009-2013.
For me, if you're sticking with mechanical, 10-speed is a better option. It's a lot more difficult to index 11-speed gearing. Plus, you get to save a shit tonne of money on wheelsets. My bike/wheel (hed jet 6/9) cost a total of $1000 canadian. I bought $4-500 worth of upgrades (new aero bars/stem, saddle, cables, crankset) and I would compare my bike with any recently manufactured bike that doesn't have an integrated headset or a custom stem. I ride PRO missile alloy bars with a Missile Evo stem.
The only thing I find where my bike is lacking is top tube storage bosses and tire clearance. I have 24c tires and I doubt I could fit 25's which is crazy