Yeah, I mentioned that the business class was much better in the ELS aircraft. It has the older Singapore raffles class seats, which are better then the current LY business class seats. There are actually two extra seats in the upper deck, since the SQ configuration is different.
The SQ a/c is actually older than the LY 744, Its about a year or two older than ELA, ELB (Bela) and ELC (Cela) and about 7 years older than ELD.