Lemme see how I might answer:
Before you leave to pick up your new bike, contact Alaskaleather.com and have them ship you a sheepskin seat cover. The sheep's wool will make of your ride far more pleasant than without.... really cheap insurance, and your butt will thank you for it. -For now I will have to use padded bike shorts and just take breaks.
If there was time and you had the money, replacing that OEM windscreen with at least a Suzuki "touring" screen will be an added bonus. Then later, you can jump in with the rest of us and start posting your impressions of the vaious windscreens you might end up trying..... Oh, and buy an oil filter when you pick the bike up; change the oil and filter when you get home.... don't run the same dyno-sludge with all it's metal bits & parts-is-parts longer than the run-in 650 miles. I definitely was planning on an oil change when I get back, windshield will have to wait...
How about a tank or tail bag. Stick yer new sheepskin seat cover in there, clean undies, toothbrush, and bottles of water for your ride back. Remember to hydrate, as a cold ride will dry you out as easily as a hot ride. Got a tank bag and will probably get side saddles. I use a hydration pack in my tank bag so I can drink via the hose while riding.
Read that link provided about Motoman.... I've always wanted to break a brand new engine in that way, but I would have rather used a Dyno to do it right rather than caught for speeding on public roads.
Take the two days for the whole trip.... a third if you could fit it in. If you want to run-in the new engine via the traditional method, you want to avoid from running in the same gear, at the same speed, droning along hour after hour.... Upshift, downshift, slow speed, in-town w/frequent shifting, mid-speeds, high speeds..... turning the engine off and letting it cool down at least a half hour, ride & repeat.... eventually harder acceleration, downshifting from higher speeds, touching 100 mph, lugging it, reving it, riding it.... but don't use any kind of throttle lock or cruise control on your break-in trip home.
This is a low compression engine, you won't need to even consider any mid-grade or premium gas. Look for excuses to pull over, take the off-ramp, back on via the on-ramp, accelerating, slowing, drink a bottle of water, grab an energy drink, carbo-load, stop & stretch, talk to strangers...... Thanks for the on and off ramp tip. Sounds like a good way to keep the RPM varied and help break in the engine.
In short, have fun.... but work at avoiding any steady speed drones on the new engine.