No worries, since you already have your NOC and a confirmed visa open by your new company, there is certainly no hassel to look forward to. Why not take a break like about a month since after coming back, you wouldn't be allowed to take a vacation till 11 months of work is done, some private companies has these rules like 11 + 1 (Meaning, you can take you annual leave after 11 months of successful work completion).