My opinion, and as I always say, opinions are like bad smells, every ar5eholes got one....
Eagles - expect them to be the benchmark, again, this year.
Norths - should make the GF - but I can't quite see them saluting the judge - as they play an attacking high possesion game which is great in the minor rounds but doesn't quite cut the mustard in September / October (see 1977, 1981, 1982, 1988, 1990 & 1992)
Centrals - they still have the two players I would love in the Bays side - the Gowan's

and the have a proven game plan that works in September / October
Souths - Monty's to make the finals IMHO can see them possibly finishing higher but rate the other three sides as better ATM
Glenelgs - have recruited reasonably well to cover the lack of depth in the midfield in 2006, should make the finals but could quite easily finish 6 or 7.
Ports - expect their "gun" forwards to be hyperventilating by half time as opposition backmen, run them off their feet. Still rely on Clayton too much in the mid-field.
Wests - have recruited well but their biggest problem is off the field Wiederman is a minibus i.e. half a coach, as a Bays fan I'm an expert in spotting dud coaches.
Norwoods no cash to recruit, bad eggs still make a bad omlette for Hill see comment on Wiederman
Sturts - you can't make a silk purse out of pigs ear, Macgowan appears to be switched on as a coach but realistically sturt are like Norwood 2-3 years away once the off-field $$$ get sorted and they can get better cattle.
With my groupings I can see those sides swapping positions i.e. North winning the thing, South making the prelim, Sturt finishing 7th etc but I thnk it is less likely compared to how I have listed them.
Footnote, how the F*** I can make any reasonable predictions based on the fact I am reliant on all youse blokes for my footy info and the 'Tiser, living 60 km over the border is anyones guess

Let that be a lesson to you Port, no one beats the Bays five times in a row in a GF and gets away with it!!!