The best replacement for wrt54g is wrt54gl.

The best alternatives to wrt54g are rated as following:
★★★★★  wrt54gl
★★★  wrt54gs
★★  wrt54g2
★★  wrt160n
★  wap54g
★  e2500
★  wpn824
★  wrt120n
★  wrt54gc
★  e1000
★  wgr614
★  wrk54g
★  e4200
  ea4500
  dir 655
  netgear wgr614
  wrt54gl linksys
  di 524
  wrt54g
  wrt150n
  e900
  di 624
  e3000
  wrt54gh
  wrt54gs2
  e2000
  wgt624
  linksys wrt54gs
  wrt546s
  wrt110
  wrt300n

Your alternative for wrt54g is not listed? Suggest!
Speaking about wrt54g, one probably shouldn't forget about verizon dsl.

Other search terms related to wrt54g and their ratings are:
★★★★★ verizon dsl
★★★ re1000
★★ wap54g
★ westell 6100
You have in mind a companion for wrt54g and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wrt54g in all years. Click on graph for more.
wrt54g
wrt54gl
wrt54gs