I just installed the Albatron Ti 4200 128mb this morning. It replaced an eVga 64mb version that died 24 hours after I installed it. So far so good on this one. Framerates are quite good, image quality is fine, no problems.
They are definitely new to the market, and don't have much of anything in the way of technical support up and running yet, but hopefully I won't need to deal with that anyways.
For their price though, definitely a good value. A 128mb Geforce 4 ti4200 card for < $140. Not bad at all