GTX-345 best deals?

I am going to buy a new 345 (with tray, backplate, connector; without gps, dont need harness).
Who would have the best deal on this?

aeroperformance has them for $4400 & no tax
Spruce doesnt charge tax but is also $4400.

Know anyone who price matches & doesnt charge Tx sales tax?
What are the chances of a SnF deal on a big ticket item?

I believe garmin and dynon etc frown on any firms publicly discounting much. They want to keep prices close to list. If you call a few sellers or email sales, i think you may find some will knock a bit off. When i ordered a few large purchases i did that and they did knock a bit off. their listed website price. Was not the discount i hoped for but was worth the trouble.

Why not just buy from someone that supports this site? You may not get the absolute best price but you will certainly get way better support from folks like SteinAir, Walt, Etc. that are on this site. Maybe that's not worth the extra hundred or so dollars you may pay but in the long run I think it's worth every penny.