We were pretty impressed with what Roli showed off at SXSW back in March, and now the company's rubberized keyboard is up for pre-order. The instrument is built in a standard piano configuration, with a soft surface that allows you to directly bend pitch and add vibrato and other effects to the notes as you're playing them -- sort of like bending guitar strings. The Seaboard Grand comes in three price configurations that hit a pretty wide spread, starting at $2,000 for the 37-key Grand Studio, all the way up to $8,888.88 for the massive 88 key Grand Li
