You're welcome.
About your ramp pices: I usually prefere
Mind Stone over Diamonds in mono decks, since colored mana usually isn't a problem. The
Mind Stone can be used in the turn I play it and it can be sacrifieced for a card, if necessary.
For
Hedron Archive, if you really use the sac effect, it may be worth adding, if not I would prefere
Thran Dynamo instead (or the archive as addition to the dyamo) since it's more cost efficient.
I just mentioned
Swords to Plowshares since it has become more prints and therefore is cheaper than
Path to Exile, but if you got both, even better.