I'll speak in a more detail on the 2002-2010 performances, since I think the 1992-1998 skating belonged to a different time with different technical level and requirements.
Totmianina/Marinin (2006) - Technically superb, almost ideal SP+LP. IMHO their Snowstorm is the second best SP ever skated at Olys. Amazing synch, speed, posture and edges, jump elements consistency - all this makes them stand out. Some would say they are unemotional - but I'll say - go and try to skate 2 clean programmes at Olys, and smile as wide as you can. I don't remember any other gold medallist doing that at Olys in pairs since Rodnina . Though I also find their LP not a romantic piece telling a story of Romeo and Juliet, and this is not my favourite programme that they ever created, but again - under all that pressure they managed to skate without visible effort and did not pretend what they were not in order to gain additional presentation points. BTW, I'm sure had they skated the same way they did in Torino, 4 years later in Vancouver - they wouldn't have had any competition as well.
2 - Berezhnaya/Sikharulidze (2002) - Amazingly beautiful SP+LP. One slight mistake in LP + the best pairs SP ever. I will not spread further praise to them - all is well known
3/4 - Savchenko/Szolkowi (2010) - Probably the most difficult and intricate programmes of all the mentioned pairs. Their potential was huge. But surprisingly - even with that bad execution - they were in their own league. I would have put them 1st after the SP in Vancouver.
4/3 - Pang/Tong (2010) - The Chinese never had the skating skills of the 2 Russian pairs or the Germans, and their programmes though solid and aimed at highlighting their strengths lose in comparison with S/S, but they were cleaner in LP. I am not sure if they deserved an overall victory. Frankly speaking I don't see a pair like P/T in one row with Olympic champs as B/S, G/G, M/D... But they won the LP in 2010 fairly, and I would have put them 3rd after the SP, this would have guaranteed them the win, that I'm not so excited about, but at least that would be fair; and I also would have placed them 3rd overall in Turin.
5 - Sale/Pelletier (2002) - Never they were my favourite couple, and I have a pretty formed attitude towards the whole 2nd GM story, but compairing their Olys performances with the rest in this time frame - I'd say they were not the worst. Both SP ans LP skated with confidence and no visible errors (I don't count their final pose fall as a big deal). Pretty simple, but confident and clean - not the worst Olympics scenario
6 - Shen/Zhao (2010) - I don't like the programmes they skated this year. The same overemoting and O faces, no matter what the music is. I prefer "robotic" T/M who try to skate clean, expressing emotions with actual skating, posture, etc.. instead of learning how to emote with face properly. Overall, not the best performances in their career, with low speed, poor (to their own standard) ice coverage, etc. They had it much and much better! But considering their age and devotion to the ultimate goal - they surely deserve respect.
7 - Shen/Zhao (2006) - My favourite programmes of S/Z! Very sad they did not skate them at 2006 worlds - I was hoping to see them again. Unfortunately - too many mistakes, but the programmes were gorgeous. I would have had them 2nd overall at that Games.
8 - Shen/Zhao (2002) - A clean SP and a messy LP. Very ambitious and risky 4throw, but as a result - nothing close to their success a year after. BTW, I would have put them 2nd, slightly above Sale/Pelletier after the SP.
9 - Zhang/Zhang (2006) - The SP that I really liked (Led Zep. and all..), and a disaster of a LP. No speed, no artistry.. I don't know how they managed to grab the silver actually, I would have put them no higher than 4-5 place overall.
As for the 1992-1998 performances, Ill probably rank them as:
Mishkutionok/Dmtriev - 1994
Gordeeva/Grinkov - 1994
Mishkutionok/Dmitriev - 1992
Kazakova/Dmitriev - 1998
Berezhnaya/Sikharulidze - 1998
Bechke/Petrov - 1992
Woetzel/Steuer - 1998
Brasseur/Eisler - 1994
Brasseur/Eisler - 1992