Is 6600 points in this club small or intermediate in size?
Did you mean 66,000 pts? Yes, 66,000 pts is a very small package of points.
IMHO, one of the biggest mistakes people have when they buy into a pt system is buying too few points. You'll likely be very disappointed with any system which has so few points that you find yourself extremely limited in where and when you can go places because you bought too few points.
Since the biggest reason people buy these small point packages is to save money, IMHO, BUY RESELL then use your savings to buy a bigger pt package. ( this isn't advice about Holiday Inn Vacations since I don't know how their points work but general advice)