The biggest jump is to get your brain working faster since your speeds are higher. Do not let this worry you since it is not a great leap its just an additional pressure in a new work environment. The Citation is very easy to fly, remember it was originaly designed for a competent but rich PPL to fly single crew. The engine out is very docile, since the engines are very close to the center line and you get minimal swing. Unlike a piston which requires prompt control and drills to secure the engine in a min drag config, with the citation you do nothing but fly the profile until you are climbing away and clear of the hard stuff. Even with an engine fire the worst that will happen is that the pod melts and drops off !! Landing causes a mild problem in that with the very short legs on the wheels you get wing in ground effect and beyond a mid weight your landing distance increases as you reduce your weight further as you float further. With a cross wind you can not cross contol and must crab in due to the short undercarriage otherwise you run the risk of scraping the wing tip. You must push it straight with the rudder at the last possible moment with a little opposite aileron.
I flew the Citation I.II & V and had a great time flying them. Remember preperation outside the cockpit is free, know all that you can before you sit in a seat that will cost you. "Fly" a microsoft flight sim so that you can enter a hold corectly from any direction along with SID's and STAR's so that you can free up as many brain cells as possible to cope with the rest of it.
Good luck
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