Alrighty, so I figured I'd register and give my experience on this for you guys.
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Summary of my exp with GR07s in general:
I'll first start by stating that if you have not ordered the GR07's this is going to be the most difficult part of the set @_@;;
I'm not anywhere near as big of an audio guy as some of the members here, but I certainly have my own high standards that affect competitive gaming/quality audio. The only thing that really kept me from returning the GR07 bass was the fact that they are really sleek and fit so close to the ear that you can lay down without them smashing into your ears. They definitely excel in comfort imo, but the support and tips are a real hassle.
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Foam Tip:
Anyway, I was using the original foam tips with these but, man, it's hard to keep white ear tips good looking, especially with the black/red design of this set. So, I ventured off to the land of ebay and eventually settled on ordering this, which I believe were linked earlier somewhere in the thread:
http://www.ebay.com/itm/161193872927?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
^^The above is a direct link, which I must say is surprisingly hard for people to do in this thread. If you're intending on helping people, please make it easy for them and don't be insanely vague. I literally read through this thread twice, and as someone who is not a super audiophile, I had no idea about half the references being made or where to find the items mentioned.
The comparison between these and original foam tips:
http://i.imgur.com/uBuxwvA.jpg
http://i.imgur.com/SXaqw7t.jpg
^ Slightly longer than original foams
http://i.imgur.com/KIymWKX.jpg
^ Most importantly these tips do not come with a real stem so you need to add your own. Just cut off and around one of the useless GR07 stock tips you received, put that on the IEM, then add these foam tips on top and they will do NO sliding or ever get stuck in your ear. It works very well and doesn't bulk them up too much or anything.
Pictures with these foams installed
http://i.imgur.com/DXAQygH.jpg
^You can see these tips come a bit more narrow but are still large at the back so they still seal off well.
http://i.imgur.com/gYpGqQX.jpg
^They look much more sleek than the white foam originals.
http://i.imgur.com/iX3DpPj.jpg
^Most important to note here is that they do fit back a bit further than the original foams/stock tips because they have to go over the stem that you install so that they fit securely. This is fine however since it kind of negates their length difference with the original foams being a little bit smaller (so you get more or less the same fit in terms of how deep they are going).
All in all, they retain the exact same sound quality as the original foams, fit securely with the mod, and look awesome. No more embarrassing inserts around people who might notice your gross white tips
Best of all, these foams are incredibly cheap compared to most others people have been recommending here, so at the very least, I strongly recommend giving them a try. Ordering from the above link you get first class shipping and EIGHT of these foam tips which means you can continually use the stock GR07 tip stems and replace them if needed for a grand total of $6!
As an update on other things I did contact comply via twitter before ordering these to see if they had any progress on the other tips they mentioned earlier in the thread. Unfortunately not.
http://i.imgur.com/7cnb3qQ.jpg
So, don't wait around for those. It really does seem like VSonic doesn't have much interest in supporting outside their local region. I literally have not heard back from support since I contacted them months ago even though I have a warranty... If I ever want to get them repaired or something I'll literally have to wait past a year to contact the additional 2 year warranty company insurance thingie i bought >.>....