The best I have found recently was a non genuine set for I think it was close to $160 - $230 a side, which explains why most out here take the cheap option. I've heard of people out here being quoted $900 - $1100 for a specialist to do both sides.
I found that I can buy just the bearings for around $30 each and the plastic sleeves for around $8.
With us not having the moisture and salt problems we can usually get away with just that particularly if the grease nipples are installed as this forces any contamination out.
Another thing we found with these too was that there is a drain/breather hole on the underside of the arm down near the wheel which is probably a good idea until the seal leaks or it get clogged and causes the seal to lift after which it then creates a thoroughfare for water and contamination. I would imagine that this then becomes self destructive if there's any warmth generated by the bearings when they begin to suffer from degradation of the lubricant and then start to suck water or snow down into them as they cool when parked.
If the nipples aren't used, I reckon it would be a wise move to be sure they're clear.
Alan S

By the time you're old enough to know it all, you can't remember why you were learning.