personally, i like the trackmaster track. its nicely detailed. however, the old track is more common, and more versatile. also, there were two sets released [that i know] that used the road track in a different color: thomas and terence logging adventure, and the motorised jeremy airport. the first used brown track, while the second had the clear blue. they allow for some great designs.
one thing i have found is the connectors on the tomy road can get to be quite brittle, and ive actually snapped a few off when putting them together or taking them apart. the trackmaster road connectors are a lot thicker and easier to put together.
another thing to consider are the risers. i dont think trackmaster ever made a sloped road piece, so their track wouldnt be designed with the old white tomy risers in mind,which would limit your build somewhat. though looking at wepsn video, the yellow track risers work. how secure they are, im not sure. not something i ever thought of trying.
at the end of the day, buying used is fairly safe. they are kids toys, so for your own peace of mind, give them a quick soak in a sink of warm water and disinfectant, but its highly unlikely theyve been anywhere truly awful.
most of my collection is used, bought from various online auctions, local thrift shops and weekend markets etc. none of if has killed me yet, and none of its been washed either, except the stuff that has been scribbled on.
