I would suggest you consider flying an entry level pattern plane before jumping into a scale aerobat like the Sukhoi. A Phoenix Seabee, a Great Planes Venus .40, or a Model Tech Excelleron 50 would provide you with a good transitional experience when moving from a fairly gentle low wing trainer like the Voyager to faster, more nimble scale aerobatic models. A pattern plane will fly fast and perform a wide array of manuevers like a scale aerobatic plane, but is less likely to exhibit bad tendencies when landing or flying slow. Once you can comfortably handle a pattern plane, you can pretty much try anything else you want to fly.

If you don't want to wait, the Hobbico Sukhoi shouldn't be a bad choice as a third plane. You will want to start out on very gentle rates, however, as your Tower Voyager flies nothing like the Hobbico Sukhoi will with full throws.