The best replacement for sb 800 is sb 900.

The best alternatives to sb 800 are rated as following:
★★★★★  sb 900
★★★★  sb 600
★★★  sb 700
★★  sb 910
★★  900
★★  600
★★  metz 58
★  metz
★  sb 80dx
★  nikon sb 600
★  su 800
★  sb 26
★  new sb 900
  nikon sb 910
  nikon sb 900

Your alternative for sb 800 is not listed? Suggest!
Speaking about sb 800, one probably shouldn't forget about d70.

Other search terms related to sb 800 and their ratings are:
★★★★★ d70
★★★ d40
★★ sb 600
★★ d50
★★ d100
You have in mind a companion for sb 800 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sb 800 in all years. Click on graph for more.
sb 800
sb 900
sb 600