I agree with nsmadsen. Nice tunes, I like the ideas and overall feel. But they really would benefit from some variations of maybe instrumentation but definitely varying rhythmic textures between songs (and inside songs). The different tunes are a bit too similar by the backing rhythms IMHO so I don't recognize them from each other.
There's three elements in all the songs; drums, lead and the chordal/bass element.
1. Drums stay mostly in the same feel but they have the most variation of all the elements.
2. Lead stays mostly in the same melodic and rhythmic feel.
3. Chordal elements stay mostly in the same feel considering rhythm and similarity in hitting some 7th chords.
I really would like to hear some added funkier bass lines here and there that aren't coming in all the time with the chords. And maybe some longer chords/pads or something like that.
Don't take this as a too bad criticism, you're doing great! Just some hints for you to think :)