I drove an HJ60 from Australia for about a year before retiring her (to canabalize the motor and tranny to go into a 62).
My thoughts on driving the RHD rig:
1) Like it or not, you'll get lots of looks, tripple-takes and stupid comments,
2) Like it or not, you will hear, probably once a week, that you should get a side job delivering the mail,

3) If you are right-handed, this is a preferrable way to drive, once you get used to it, because your strong hand is on the wheel while shifting,
4) The pedals are not mirror image (contrary to many peoples' assumption), just on the other side, so there is no getting used to pedal position,
5) If you get into a head-on collision, you're better off (but your passenger, if you have one) is worse off,
6) You will put on your windshield wipers instead of your turn signal, long after you get used to every other aspect of a RHD,

7) You will have to recalibrate your brain to be comfortable riding the right side of the oil stripe in the middle of the lane instead of the left side of it.
8) Tight parking will take some deliberation until you become comfortable with your vehicle's dimensions from the other side of it.
9) Cops will pull you over for no reason other than curiosity, which is good and bad. Its good because they might let you off when you might otherwise get a ticket, it is bad if you "roll dirty" or otherwise would prefer not to get cops' attention.

10) RHD parts will have to come from overseas most times, typically Australia.
11) Get used to parking for ATM transactions. Better have a passenger, SunPass (or the equivalent), or a long stick with roach clip on the end (or a LONG reach) for tollbooths, fast food drive-throughs and parking lot key-card scanners.