If you are getting TF10 around the same price as DDM shipped, it's a very good choice (> DDM to my ears). Ask around - one of our TE-ians may have extra ones available for sale
Weather or not they are better than TF10 will be based on your preference ,
TF10 are great Highs and Bass while the RE262 has effortless , smooth, forward Mids, Bass is Good too , ( and to my ears has better body than any IEM i have tried )
You do need an amp. That's been clearly mentioned by BF1983 somewhere else here, although you can use it directly out of Fuze, may be at the cost of battery life.
TF10 will sound great without an amp.
and RE262, i dont know! , cause i dont have a unamped source ( really ), they sounded great off my laptop though !
Brendon is using with iBasso P3. iBasso T3 could work out as well, not sure. It's about $120-135 depending on which version you choose (analog vs digital volume control) : iBasso
Small ears - I guess you'll have some fit issues. But that's a very general blanket statement. Each ear is different, but I've read many smaller ear people complaining about the fit