Nice impressions Eric! I dont think I gave the 1p2 its fair share of time, but for me it was more about trying it than keeping it.
As for the ASG2.5, sorry I didnt have a full review of it. I am not really that great with descriptions and words like a lot of great reviewers here. I do think they cleaned up the bass. Although full open bass port is still overbearing, I think now the bass is tighter and better than what I remember on the original. I feel the main difference in how they re-tuned it was the change in bass. It could be placebo but I also feel they added a touch more treble or upper mids? something in that range. It is still a darker and non-fatiguing IEM though. I think those that love the ASG2 will love these even more but is it worth the upgrade selling your current 2 for a retail priced 2.5? That I am not too sure about. If you can get it for a discounted price either new or used or through that group buy site (after confirming it is indeed the newest model that ONLY comes in stealth), I think it would be worth a listen. For those new people that tend to prefer a darker signature and havent tried the ASG2, I would recommend trying the 2.5.
Thanks for your insights caracara08.
Yeah, I need to meet again with Mr. Dale (great guy). I really want to hear those Rockets. I got from reliable sources that the Rockets actually rival the Senn. IE800 in sound quality. So I need to hear those babies.