wouldn't be a bad to use a search button. than check reviews of both of them at "What something". It depends on what you need and how much like to spend. The main difference is advanced picture processing of Thomson. It also sports a prog scan capability with component input which lacks in Sony. To cut the long story short, Sony will be better with (poor) analog signal while Thomson should top it with DVD especially thru prog scan.
final decision is yours, I'm afraid.