Thanks for the response Fran. Portability would not be an issue for me as it would be used for home use. My biggest concern is reliability. M-Audio had some quality control issues with some of their controllers. The 88es seems to be getting good reviews.

I need an 88 key controller and semi-weighted is what I am looking for as well. The lack of controllers on the 88es is not an issue for me either as I'm planning on purchasing a Korg nanoKONTROL Pad (v2) this week. I just need to know if this 88es will hold up to every day home use.