Realtek cards are fair - not terrible.
This is a decent position to take. It really depends on many unknowns though.
Note that the Legion does not officially allow users to replace parts inside (read the manual for CRU), so it can legally be considered "unauthorised servicing", which is a valid clause to void the warranty. We've already heard allegations around HWZ of one service centre very quick to voiding the warranty for a rather popular Taiwanese brand. If, in the worst case scenario, because of policy changes they decide to be strictly enforcing this clause, then
@ksrokiller will lose his warranty on the machine.
It must be said that nearly all service centres in Singapore are run by 3rd party outsourced contractors; Exceptions are Apple's Genius Bar (ie, only their official 3: Jewel, Knightsbridge, and MBS) and I think HP Alexandria and Acer in their Jurong HQ - the rest are run by 3rd party vendors (Yes, A.Lab is a 3rd party contractor, not Apple themselves). Some familiar names include Unisys, Micro2000 (in the past), Servlink, DCSS, AsiaPac, Avertek, etc... We all know the outsourcing game - vendors can change anytime the company decides to.
For now, we count on their good will, but we cannot assume this will continue. If it so happens they rotate service centre after the contract is due, and the new guys decide to activate the warranty voiding clause, then you're on your own.