IF you plan to store the Nodes on your own storage i don't really think any of them will let you down load a min usually it's all or none but if you use a online Wallet some have a extention or addon you can down load the wallet i don't store is the ETC wallet i found this https://www.myetherwallet.com/ it does what mistg or any ETH wallets dopes , without the download ......you store every thing but the big download
the ZEC wallets right now are not to bad to down load and store and usually DL fast . i do keep a updated btc and Ltc wallet on one of my storage drives on this PC .
Thanks for the additional information! I will take a look at it tonight.
What wallets do you use for LTC and BTC? And how much disk space do they use?