I enjoy my GR07's but i just recieved my FX700's finally. The bass texture is on another level from the GR07. The FX700 is far from being flat, but it Wow's me alot more then the GR07. The FX700 is only $50 more then the GR07 aswell. Comparing the LCD-2 and FX700 is closer then the GR07 in the bass department imo. Having only heard the LCD-2 once it was a lovely phone, but performance to price deterred me.
I owned both at the same time and preferred the GR07s lows, by a long shot. I remember thinking that the FX-700 was slow, bloated and cumbersome, in comparison. I also used to get frustrated at the FX-700s brilliant mids being marred by recession... not to mention the excessive sound leakage and awful isolation. The highs amazed me, and the soundstage impressed... but I generally felt the GR07 to be an all around better phone.
I also preferred the FXT90 to the FX-700, which was less refined, but more cohesive and practical. I rated that almost on par with my beloved GR07, which I'd still own today, if it hadn't been stolen.
I'm awaiting delivery of the VSD1, which will hopefully fill the vsonic shaped hole.