I'm waiting for your impression.
All done with Mario & Luigi (incredibly awesome game!), and so I finally popped in Glory of Heracles. I'd have to say that the game looks good, not great. Visually it is smooth, but there is slow down if you constantly mash the buttons while exploring (which you do not need to do, it's just something I noticed). The engine is nice, but could have used more work. It is much nicer in motion, though...but not that much.
As far as most JRPG's go, though, it's a very nice game. There are a ton of choices for the player, as you get two weapon slots, or a weapon and shield. You can enchant your items, which is a nice touch, and give your character skills and spells he may not have access to normally. The spells are preset by the item you are enchanting, and although you can't choose what you want to enchant the item with, it comes in handy.
You level up, as normal, but I haven't noticed too much of a grind. Battles are fairly common, and random, with the expected boss battles throughout. For me, it is on the edge of annoying, as far as how quickly the battles trigger...I guess I would have to say not as bad as Suikoden.
The game is easy, though. If I were to recommend a JRPG to new DS owners, this would be it. It does hold your hand a little too much at times, which can annoy some people. It didn't annoy me, and I rather enjoyed a game that I wasn't dying every 5 seconds (EOII, Dark Spire, both games I love). It was a nice change, to be honest.
The battles are very easy, as well. But, I remember reading where one reviewer said he played out his battles on auto. Well, he must have only played a few hours, because after you level your characters, and they get spells and skills, auto combat is useless. Your party will cast and use every useless spell and skill, buffing your party, and never attacking. You do have to plan out battles, at least I did. Auto combat was a no go, for me. But, as I said, even boss battles are easy.
The setting is the real draw, as I love Greek mythology. And, although it doesn't get deep, the game world is a nice change from the regular generic fantasy world. I like that you have to pray to various gods to get new powers. You just never know what a small little change here and there can do to make an old genre like this, feel new and refreshing.
I like the game, but I don't know if I love it. It's worth the money, if you are looking for something a little different (not unique like TWEWY), and on the easy side. If you are new to JRPG's, look this one up. It's a great game to try out the genre with...