I currently have an IC-7300 that works just fine but would like to get into 2M SSB as well as System Fusion. For that reason I am considering replacing the 7300 with an FT-991A.
Has anyone compared the HF performance between the two? Any reason I should keep the 7300 if I get a 991A?
No, Rich, don't do it. I had an FT-991A and I hated it. It talked fairly well and it was a shack in the box, too. It seemed to not do as well as the individual frequency specific radios I have. Also the 2m and 70cm frequencies are programmed into the memory and sometimes I forgot where they were in the memory even though I wrote them down. To me, it was a PITA. Also, after market mics had to be dynamic (more expensive).
I traded the FT-991A even for a newer IC-7300. I have no regrets after 6 months. I use a Heil boom with a Heil HM-IC mic and a Heil trigger switch with Heil cable. Talks even better than the Yaesu. On the 7300, I hardly need my antenna tuner for the well used frequencies AND I did interface the MFJ-993B Tuner with just a relatively inexpensive cable instead of some goofy looking interface box and cables the Yaesu needed. I'm going to have to replace my memory battery in the 7300, but looking at You-Tube videos about that, it looks easy. ETA: I forgot to mention that the 7300 has an SD card holder for cards up to 32GB!
I replaced the 2m and 70cm part with a separate radio. The AnyTone 578UVIII. I use it as my base radio and it sits right beside my 7300. It has no APRS or GPS, don't need it inside. I got it from R&L in Ohio for $299.00. It. Works. Great!
Please don't sell your 7300! If you do, I think you may regret it.
Re-reading your post about the SSB or even the AM for 2m and 70cm, My 991A sucked when trying to do that. Maybe it was me, but I think it was more the radio. The AnyTone 578 doesn't do SSB or AM, But, the 7300's sister radio, the 9700, does.