I'm beating this issue up because reliability is paramount. I'm taking it back home, and a dead router is no good to me, and there will be no warranty to speak of. I need a router (WAP, actually), and for clients, 1xUSB  and 1xdesktop adapter. It makes sense to buy everything from one manufacturer as a matched set. I would have liked an N model, but want at least a fast G (MIMO etc.). Plain vanilla G only if I absolutely have to settle for that.
I spent quite a bit of time looking at reviews on Newegg (I realize they filter bad reviews). My criteria are:
a) It must have the highest number of eggs (5 is max)
b) It must have a high number of total reviews - a 5 rating given by each of 3 reviews doesn't tell much about the product.
c) The breakup of the reviews must be favorable. The 5 is an average. I pay attention to how many reviewers gave fewer stars. Also the combined 5-E and 4-E scores.
Based on these, here's my ranking of the top 5 models - sorted on # eggs and # reviews. G+ means it's faster than plain-vanilla G; I resorted to this because each mfr calls it something different. The 5-E etc. refers to %age of reviews that have given that many eggs to the product.
	
	
	
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		Brand      Model     Type   Egg$  Eggs   # Revs   5-E   4-E   3-E   2-E   1-E
Linksys   WRT54GL      G     $63    5      534    82%   11%    3%    2%    2% 
Buffalo   WHR-G54S     G+    $50    5      250    72%   18%    4%    4%    2%
Buffalo   WHR-HP-G54   G+    $60    5      196    77%   11%    4%    5%    3%
ZyXEL     X-550        G+    $80    5      116    82%   11%    1%    1%    5%
Linksys   WRT150N      N    $100    5       12    75%   17%    8%    0%    0%
	 
 Only one 'N' model is in the top 14; the Linksys WRT150N with 5 eggs. But that's from only 12 reviews, and only 75% of the 12 gave 5. The rest of the N models, regardless of brand, are far behind.
The Buffalo WHR-HP-G54 is faster than the WHR-G54S according to their website. It's got a decent enough rating. The WHR-HP-G54 also has an external switch that toggles between router and WAP modes. It is a MIMO Turbo-G 125 High-Speed Mode device.
For client adapters we have:
	
	
	
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		Brand     Model        Type  Egg$  Eggs  #Revs   5-E   4-E   3-E   2-E   1-E
Buffalo  WLI-CB-G54HP    G+   $40    5     62    75%   13%    5%    2%    5%
Linksys  WUSB54GS        G+   $60    5     39    74%   15%    3%    5%    3%
ZyXEL    M-302           G+   $54    5      9    67%   22%   11%    0%    0%
Linksys  WMP54G          G    $50    4    167    60%   19%    7%    4%   10%
Buffalo  WLI-TX4-G54HP   G+   $57    4     99    69%   21%    1%    4%    5%
	 
 Picture's a bit different here. Note that there are no N adapters here (the top score for an N adapter is 3 out of 24 reviews). Looking at the combined 5-E and 4-E scores, the Buffalo WLI-TX4-G54HP scores well. It's actually a 4-port Ethernet hub (or switch) with an antenna and can be shared by 4 Ethernet devices. It is also a MIMO Turbo-G 125 High-Speed Mode device, so will match the Buffalo Router/WAP.
Router/adapter combo wise, Buffalo wins. If you think otherwise, speak now or forever hold your peace!
I plan to buy (in a couple of days after publishing this RFC) the Buffalo WHR-HP-G54 MIMO Router/WAP and two of the matching WLI-TX4-G54HP MIMO Ethernet Converter.
Thanks to everybody for your valuable input.