Once you build up your core, drop bars shouldn't be a problem. You don't spend most of your time in the drops anyway.
Surly is a great company that makes great bikes. Versatile, comfortable, dependable - spec'd with great level componentry for the price.
Now if I could just get a custom kick-stand-plate for my LHT! Make it, Surly! Make it now! LOL.
Between Steel, Aluminum and Carbon - Steel and Carbon will be smoother rides.
Carbon is mostly on race bikes, which have their place but with the streets where I am - I wouldn't commute on. There is a danger, however slim of cracking the frame. I'm not that big of a gambler.
Aluminum transfers more road-buzz to the hands but is cheaper and lightweight. It does have the downside of eventually losing its snappiness due to frame sagging. That takes years though.
Steel is snappy, stiff and can be heavy (depending on the width of tubing/components/etc), but if you're not racing...who cares? I go pretty fast on my LHT. Passed plenty of riders on more expensive rides. LOL!
All of my bikes are steel now, so I'm a wee bit biased! I just feel like more of my power goes to the pedals on steel. No wasted energy. But maybe that's all in my head.
"Things look different from the seat of a bike carrying a sleeping bag with a cold beer tucked inside." ~Jim Malusa
2009 Trek 520-Brooks B-17 Special in Antique Brown
2010 Surly Long Haul Trucker-Brooks B-17 Standard in Black
1983 Fuji Espree Single Speed-Brooks B17 British Racing Green