I ve been flying in and out of there for 8yrs.
One way in and one way out 99.9% percent of the time
One thing, this is a daytime only airport. Don't be a GIII hero. You will see the dent they made on the hill that is short final about a 100ft or less to the right
I agree get the plane configured and slowed sooner then normal.
Be vary aware of your Single engine performance. especialy on second segment climb. be able to make it to the min altitude so if you have to make a turn around you will have the terrain clearance to do it safely and land if you have to. There are other options, but those are bit of a local knowlege or by gaining expierence going in and out of Aspen. Flying on a single engine in the valleys because you can't get high enough because of lack of planning, is cause for severe pucker factor.
If you have to shoot an approach for real in there you my not realy want to be waiting for the MAP to go missed possibly do it sooner. The Missed approach procedure requires you to do a hard tight right turn of about 150 to 160degrees "I dont recall the exact number" "I dont have the plate in front of me". and pickup a localizer. "Maybe give youselfs Higher miniums". There is no room for taking your time on the miss here. You get vary close to the mountains when doing this approach and even closer on the missed approach. If you are at MAP altitude and having to do the missed in the Sh*t. This is cause for another pucker moment in my opinion. Make dam sure you know what this missed approach procedure is Ahead of time
I've flown 3 differnt airplanes in there without problems CE500Ultra, 560XL, currently the CE750. You need to be thinking ahead when going in and out of here.
Take Care, Fly Safe
IF you haven't answered it yet. What type of equipment will you guys be flying into here?