Completely unscientific, but if these outputs are any indication, this is going to be great news for Rubby users in the future...
$ time ruby -e "puts 'hello world'"
hello world
real 0m0.184s
user 0m0.079s
sys 0m0.092s
$ time ~/Downloads/topaz/bin/topaz -e "puts 'hello world'"
hello world
real 0m0.007s
user 0m0.002s
sys 0m0.004s
