Chul Hee, something to consider is that the PrimaLuna ProLogue Two can use either EL34s or KT88s, so you'll have extra flexibility by going with the ProLogue Two if you can swing the extra $250.
http://www.upscaleaudio.com/product.asp?itemid=25&catid=36
Good luck, as Jond says that should be a great match!
http://www.upscaleaudio.com/product.asp?itemid=25&catid=36
Good luck, as Jond says that should be a great match!