Here is something to consider, and I know its a bit out there.
Over the past couple of years Uni and sometimes GPS have managed to field 4 colts teams each, with two teams for the club(s) playing in the Colts 2 competition. I don't have a problem with it, if clubs get a strong recruitment drive and more players then good on them (take note though for the purpose of my proposal to come that one only team in each grade qualifies for Doherty Shield points)
In the case where either of those two clubs have such a massive surplus of players maybe an arrangement could be made between Wests, Uni and GPS to offer some kind of deal to players who wish to move to Wests in order to get more guaranteed playing time, play for a higher team etc. I realise in the end players play the game to be with mates etc so it would be their decision but maybe if Wests could offer incentives to these blokes e.g. reduced playing fees. It would only take a couple of years of this type of thing before Wests had a stronger base of blokes to start with. I think Wests has a great club culture so once blokes got there they'd hopefully tell their mates and get the ball rolling.
Just an idea, I realise its a bit logistically hard and players go to a specific club because they want to play there but still, might work getting at least a couple of blokes across. I think it would be beneficial to Uni and GPS also as I know logistically fielding so many teams can sometimes get hard. At GPS last year for example there were enough grades fellas to field a couple of 5th grade sides so they added a second one halfway through the season, within three weeks of the second side being added it had to fold because lack of numbers and organisation, just the way these things go.