If you don't see your favorite platform already listed as tested for 8.1 at http://developer.postgresql.org/docs/postgres/supported-platforms.html then please give it a try and send in your results.
I'd recommend using 8.1beta4 or later, as beta4 already includes a few small portability fixes over beta3 --- no point in reinventing that work. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match