I know many of IT people at many levels, some geek, other very geek and some less geek. I even know tech addicts and guys making crazy stuffs every time...
When you did customize your Access Gateway theme, you might have this error trying to logon on the admin page of your Netscaler. No worries there is a simple solution to fix it. Never the less, you need to remember to change your Access Gateway theme customization back to default prior performing a Netscaler upgrade.
What I like when I access my virtual desktops and applications is consistency thought different systems, front web and UI... Citrix have try with the green bubble theme to bring this but that wasn't really a success due to this "not very good looking" theme :)
Storefront is evolving and Citrix is finaly out of the green bubble template with a soft and neat design for this Technology Preview. Storefront X1 (aka v2.7) Here is a short list of what Citrix envision for this and the upcoming release