Refering to the OP, I think we are too many teams too scrap the conference system.
That said I do agree with you the format has some fundamental flaws as is and listening to Steve Tew I think the tournament organisers are well aware of them and see the current format as a stepping stone into something else.
I've suggested this before and I see @
saulan is thinking in the same direction as me. I also think a two tier competition is the way; forward. Tiers would address two issues the current format has as a product; it would ensure strength vs strength fixtures and in effect make the amount of teams competing managable if we limit the top tier to 12 teams which I felt was something of sweet spot.
My proposal makes a few assumptions though and I would suggest a few compromizes for the sake of a few considerations the organizers clearly see as important and which I can understand;
Assumption #1 is that strength vs strength fixtures would make for a better product and would offset the fact that derbies seem to be the games that the organisers are wanting to push as they seemingly get the most interest. I for one believe the Stormers at least would get as much people in for Newlands for a Stormers vs Highlanders clash as we would for a Stormers vs Lions clash. SO maybe instead of having hosted the Lions we could have only had them in Jo-Burg and instead could have played a NZ team in that slot that we would've seen the Lions at Newlands. The cutting down on derbies would also up the relevance and attendences/marketability of the Currie Cup, NPC and put pressure on the new Aussie domestiv league indirectly which would be a good thing IMO.
Assumption #2 is that if we keep the amount of games the same and even go for more after expansion it'd translate into at least breaking even with the money the current format can generate from broadcaster deals; as is we have 18 teams playing 15 games each for 270 games toal in the regular season. My idea is for a top tier of 12 teams and a bottom tier looking to expand to 12 teams also with promo/relegation between the two but also some measure of cross-over so as to not make them two totally different competitions as I believe making each relevant to the other would be crucial for TV viewership and so as to not alienate the bottom tier. I would for those purposes look at derbies and that the top two teams of the bottom tier join an eight team play-off format with QF's, Sfs and a grand final. That'd mean teams from the top do indirectly compete with teams from the bottom tier and would keep them relevant to the competition. 12 teams in a round robin translates too 12 x 11 = 132 games per tier and then have each team play 4 games in a cross-over between tiers which adds another 12 x 4 = 48 per tier. Totaling 360 games total but keeping it to 15 per team keeping it strength vs strength with an element of derbies between the bottom tier and derbies are almost always something of a leveler and a banana skin for the top tier so I don't think it takes away from the integrity of the results too much. I'd keep the conference system to determine these 'derbie' games;
Top tier;
NZ conference;
(too play 1 round robin match against each of the top tier teams and 1 game against each of the NZ bottom tier teams)
Crusaders
Chiefs
Highlanders
Hurricanes
SA conference;
(too play 1 round robin match against each of the top tier teams and 1 game against each of the SA bottom tier teams)
Lions
Sharks
Bulls
Stormers
Aus conference;
(too play 1 round robin match against each of the top tier teams and 1 game against each of the Aussie bottom tier teams)
Brumbies
Rebels
Waratahs
Reds
Bottom tier;
NZ conference;
(too play 1 round robin match against each of the bottom tier teams and 1 game against each of the SA top tier teams)
Blues
Fiji 1
Samoa 1
Tonga 1
SA conference;
(too play 1 round robin match against each of the bottom tier teams and 1 game against each of the SA top tier teams)
Jaguares
Argentina 2
Cheetahs
Kings
Aus conference;
(too play 1 round robin match against each of the bottom tier teams and 1 game against each of the NZ top tier teams)
Force
Sunwolves
USA 1
Canada 1
The travel factor would be insane but it is insane as is in any case. Just look at the Sharks' movements in the last weeks and the Stormers currently. SA to Singapore to SA to Aus and back to SA.