Yeah they are really great tips, very similar to stock JVC tips but the bore is even wider and a lot more soft. Great comfort.
For people that are interested you can search them up under Samsung Galaxy S II earphone or similar terms, these can be had on ebay for around $3-$5 shipped. I am sure others can even find cheaper prices.
http://www.ebay.com/sch/i.html?_trksid=p2050601.m570.l1313.TR0.TRC0.X++Samsung+Galaxy+S+II+earphone&_nkw=++Samsung+Galaxy+S+II+earphone&_sacat=0&_from=R40
http://www.amazon.com/Samsung-Headphone-Handsfree-EHS44ASSBE-GH59-10443B/dp/B005FUNYV2/ref=sr_1_6?ie=UTF8&qid=1378658591&sr=8-6&keywords=Samsung+Galaxy+S+II+earphone
Oh and there are these unique IEM/ tips that comes with the Nokia 5530 XpressMusic phone as well. If you own the M200s, you will notice that these are almost exactly like the largest set of stock tips, but the difference is that they are slightly smaller and is softer as well. These should be perfect for people with medium large ears like Ds and Danny. Great fit and seal as well. Can be hand for like $2 on ebay.