Mugen Seiki cars good??

[Tuckman]

Hey guys, anyone know much about mugen seiki cars and if they are any good? I kinda have always thought they were really good pro cars or are they kinda a not so good brand like CEN that aren't as good as HPI for example?
thanks

 

[Scrogg]

Top of the line.

 

[psunitro]

Top of the line.

YUP, one of the best

 

[Tuckman]

where would i buy them? are they compadible with HPi parts?