I have tried the Boges, I was not impressed with them, but admittedly this was around the time last summer when Boge Gate was happening. I found their filler was extremely dense and not easily absorbing juice while filling and not wicking well in the tank.
I was using Smoktek which are a nice quality carto. They absorb juice much easier than the Boges, but some people feel that they also flood more easily.
My friends kept urging me to try the Ikenvape Platinums. I stalked the Ikenvape website for at least a month or two to order some but they were always out of stock. Finally one of the friends gave me a tip that they were in stock so I gambled and got a rather large supply of the Ikenvape Mega Platinum punched.
I was not disappointed, in fact quite impressed. They are easy to fill and wick well. They provide for an appreciably better flavor production and seem to last longer in a tank by 2-3 tankfulls. Unfortunately, their production is limited and when they do come in stock, their loyal customers buy large quantities. The last stocking sold out literally in a few hours.
The 510 Fushions just came out of production. Previously, they were only available in an 801 threading. They are the carto's that Ikenvape made their reputation with. Since not many people are aware of this, they likely will be more available than the Platinums.
All cartomizers are made in China. The Ikenvape carto line is made in China, too (rumor has it by Boge to Ikenvape's specifications). So all these cartos are subject to the quality control issues common to Chinese products, although I've only had one bad Ikenvape carto since I started using them.
For a little more info on the Ikenvapes, follow this link, where the creator of the Ikenvape Platinum and Fusion answered my questions about the difference between the two.
http://www.e-cigarette-forum.com/forum/ikenvape/384670-platinum-vs-510-fusion.html