I posted earlier about getting a 7 wheel Vicon inline rake. It has had some new teeth and a new wheel installed and I have used it some. Advantages: Like other wheel rakes you can pull it fast. It rakes nice and clean. You can combine windrows or just rake one windrow if the hay is heavy. Large clumps of hay will sometimes not feed through the V rake but I don't think that will be as much of a problem on the inline rake.
Disadvantages: The catch which has to be unlocked to get the baler out of transport position, a big spring loaded pin, is so difficult to move that I have to use a wedge to lock it open until it is in the correct position, then have to go knock the wedge out. Both tires pivot. The trailing tire has to be manually moved over to a new position and so far it has required a long steel rod to lever it over. All of the above costs time. It will not turn short at all and a lot of time is lost swinging wide at the end of windrows.
It is very well made of heavy steel.
KEH